Home / 3,420,071.12-5,127,209.24-1,499,526.83

Finding the Fourth Proportional to 3,420,071.12, 5,127,209.24 and 1,499,526.83

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Solution

The fourth proportional to 3,420,071.12, 5,127,209.24 and 1,499,526.83 is: 2,248,019.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420,071.12 : 5,127,209.24 = 1,499,526.83 : x
  2. Step 2: Convert to fraction form
    3,420,071.12/5,127,209.24 = 1,499,526.83/x
  3. Step 3: Cross multiply
    3,420,071.12x = 5,127,209.24 × 1,499,526.83
  4. Step 4: Simplify right side
    3,420,071.12x = 7,688,387,785,270.23
  5. Step 5: Solve for x
    x = 7,688,387,785,270.23/3,420,071.12
  6. Step 6: Final answer
    x = 2,248,019.86

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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.