Home / 3,128,200.70-4,692,301.05-2,456,354.30

Finding the Fourth Proportional to 3,128,200.70, 4,692,301.05 and 2,456,354.30

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Solution

The fourth proportional to 3,128,200.70, 4,692,301.05 and 2,456,354.30 is: 3,684,531.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,200.70 : 4,692,301.05 = 2,456,354.30 : x
  2. Step 2: Convert to fraction form
    3,128,200.70/4,692,301.05 = 2,456,354.30/x
  3. Step 3: Cross multiply
    3,128,200.70x = 4,692,301.05 × 2,456,354.30
  4. Step 4: Simplify right side
    3,128,200.70x = 11,525,953,861,062.01
  5. Step 5: Solve for x
    x = 11,525,953,861,062.01/3,128,200.70
  6. Step 6: Final answer
    x = 3,684,531.45

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Double scale
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Similar ratio
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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.