Home / 5,275,331.69-7,911,890.19-1,487,928.83

Finding the Fourth Proportional to 5,275,331.69, 7,911,890.19 and 1,487,928.83

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Solution

The fourth proportional to 5,275,331.69, 7,911,890.19 and 1,487,928.83 is: 2,231,580.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275,331.69 : 7,911,890.19 = 1,487,928.83 : x
  2. Step 2: Convert to fraction form
    5,275,331.69/7,911,890.19 = 1,487,928.83/x
  3. Step 3: Cross multiply
    5,275,331.69x = 7,911,890.19 × 1,487,928.83
  4. Step 4: Simplify right side
    5,275,331.69x = 11,772,329,473,935.73
  5. Step 5: Solve for x
    x = 11,772,329,473,935.73/5,275,331.69
  6. Step 6: Final answer
    x = 2,231,580.91

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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.