Home / 2,092,140.20-3,138,210.30-1,029,258.20

Finding the Fourth Proportional to 2,092,140.20, 3,138,210.30 and 1,029,258.20

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Solution

The fourth proportional to 2,092,140.20, 3,138,210.30 and 1,029,258.20 is: 1,543,887.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,092,140.20 : 3,138,210.30 = 1,029,258.20 : x
  2. Step 2: Convert to fraction form
    2,092,140.20/3,138,210.30 = 1,029,258.20/x
  3. Step 3: Cross multiply
    2,092,140.20x = 3,138,210.30 × 1,029,258.20
  4. Step 4: Simplify right side
    2,092,140.20x = 3,230,028,684,599.46
  5. Step 5: Solve for x
    x = 3,230,028,684,599.46/2,092,140.20
  6. Step 6: Final answer
    x = 1,543,887.30

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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.