Home / 3,478,109.10-5,217,163.65-2,344,368.30

Finding the Fourth Proportional to 3,478,109.10, 5,217,163.65 and 2,344,368.30

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Solution

The fourth proportional to 3,478,109.10, 5,217,163.65 and 2,344,368.30 is: 3,516,552.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,109.10 : 5,217,163.65 = 2,344,368.30 : x
  2. Step 2: Convert to fraction form
    3,478,109.10/5,217,163.65 = 2,344,368.30/x
  3. Step 3: Cross multiply
    3,478,109.10x = 5,217,163.65 × 2,344,368.30
  4. Step 4: Simplify right side
    3,478,109.10x = 12,230,953,076,972.29
  5. Step 5: Solve for x
    x = 12,230,953,076,972.29/3,478,109.10
  6. Step 6: Final answer
    x = 3,516,552.45

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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.