Home / 2,904,139.80-4,356,209.70-2,101,656.60

Finding the Fourth Proportional to 2,904,139.80, 4,356,209.70 and 2,101,656.60

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Solution

The fourth proportional to 2,904,139.80, 4,356,209.70 and 2,101,656.60 is: 3,152,484.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904,139.80 : 4,356,209.70 = 2,101,656.60 : x
  2. Step 2: Convert to fraction form
    2,904,139.80/4,356,209.70 = 2,101,656.60/x
  3. Step 3: Cross multiply
    2,904,139.80x = 4,356,209.70 × 2,101,656.60
  4. Step 4: Simplify right side
    2,904,139.80x = 9,155,256,866,989.02
  5. Step 5: Solve for x
    x = 9,155,256,866,989.02/2,904,139.80
  6. Step 6: Final answer
    x = 3,152,484.90

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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.