Home / 2,227,737.65-3,074,283.86-1,209,142.40

Finding the Fourth Proportional to 2,227,737.65, 3,074,283.86 and 1,209,142.40

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Solution

The fourth proportional to 2,227,737.65, 3,074,283.86 and 1,209,142.40 is: 1,668,619.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227,737.65 : 3,074,283.86 = 1,209,142.40 : x
  2. Step 2: Convert to fraction form
    2,227,737.65/3,074,283.86 = 1,209,142.40/x
  3. Step 3: Cross multiply
    2,227,737.65x = 3,074,283.86 × 1,209,142.40
  4. Step 4: Simplify right side
    2,227,737.65x = 3,717,246,943,344.53
  5. Step 5: Solve for x
    x = 3,717,246,943,344.53/2,227,737.65
  6. Step 6: Final answer
    x = 1,668,619.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.