Home / 3,640,287.10-5,460,430.65-3,569,428.30

Finding the Fourth Proportional to 3,640,287.10, 5,460,430.65 and 3,569,428.30

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Solution

The fourth proportional to 3,640,287.10, 5,460,430.65 and 3,569,428.30 is: 5,354,142.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640,287.10 : 5,460,430.65 = 3,569,428.30 : x
  2. Step 2: Convert to fraction form
    3,640,287.10/5,460,430.65 = 3,569,428.30/x
  3. Step 3: Cross multiply
    3,640,287.10x = 5,460,430.65 × 3,569,428.30
  4. Step 4: Simplify right side
    3,640,287.10x = 19,490,615,692,297.39
  5. Step 5: Solve for x
    x = 19,490,615,692,297.39/3,640,287.10
  6. Step 6: Final answer
    x = 5,354,142.45

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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.