Home / 5,306,943.31-7,960,371.24-1,520,429.83

Finding the Fourth Proportional to 5,306,943.31, 7,960,371.24 and 1,520,429.83

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Solution

The fourth proportional to 5,306,943.31, 7,960,371.24 and 1,520,429.83 is: 2,280,632.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,306,943.31 : 7,960,371.24 = 1,520,429.83 : x
  2. Step 2: Convert to fraction form
    5,306,943.31/7,960,371.24 = 1,520,429.83/x
  3. Step 3: Cross multiply
    5,306,943.31x = 7,960,371.24 × 1,520,429.83
  4. Step 4: Simplify right side
    5,306,943.31x = 12,103,185,891,170.09
  5. Step 5: Solve for x
    x = 12,103,185,891,170.09/5,306,943.31
  6. Step 6: Final answer
    x = 2,280,632.22

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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.