Home / 3,103,141.80-4,657,337.10-1,399,906.20

Finding the Fourth Proportional to 3,103,141.80, 4,657,337.10 and 1,399,906.20

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Solution

The fourth proportional to 3,103,141.80, 4,657,337.10 and 1,399,906.20 is: 2,101,043.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103,141.80 : 4,657,337.10 = 1,399,906.20 : x
  2. Step 2: Convert to fraction form
    3,103,141.80/4,657,337.10 = 1,399,906.20/x
  3. Step 3: Cross multiply
    3,103,141.80x = 4,657,337.10 × 1,399,906.20
  4. Step 4: Simplify right side
    3,103,141.80x = 6,519,835,081,780.02
  5. Step 5: Solve for x
    x = 6,519,835,081,780.02/3,103,141.80
  6. Step 6: Final answer
    x = 2,101,043.23

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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.