Home / 5,319,198.71-7,979,918.97-1,724,685.36

Finding the Fourth Proportional to 5,319,198.71, 7,979,918.97 and 1,724,685.36

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Solution

The fourth proportional to 5,319,198.71, 7,979,918.97 and 1,724,685.36 is: 2,587,391.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319,198.71 : 7,979,918.97 = 1,724,685.36 : x
  2. Step 2: Convert to fraction form
    5,319,198.71/7,979,918.97 = 1,724,685.36/x
  3. Step 3: Cross multiply
    5,319,198.71x = 7,979,918.97 × 1,724,685.36
  4. Step 4: Simplify right side
    5,319,198.71x = 13,762,849,421,545.28
  5. Step 5: Solve for x
    x = 13,762,849,421,545.28/5,319,198.71
  6. Step 6: Final answer
    x = 2,587,391.48

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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.