Home / 3,130,220.70-4,695,331.05-3,088,230.30

Finding the Fourth Proportional to 3,130,220.70, 4,695,331.05 and 3,088,230.30

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Solution

The fourth proportional to 3,130,220.70, 4,695,331.05 and 3,088,230.30 is: 4,632,345.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130,220.70 : 4,695,331.05 = 3,088,230.30 : x
  2. Step 2: Convert to fraction form
    3,130,220.70/4,695,331.05 = 3,088,230.30/x
  3. Step 3: Cross multiply
    3,130,220.70x = 4,695,331.05 × 3,088,230.30
  4. Step 4: Simplify right side
    3,130,220.70x = 14,500,263,617,140.81
  5. Step 5: Solve for x
    x = 14,500,263,617,140.81/3,130,220.70
  6. Step 6: Final answer
    x = 4,632,345.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.