Home / 5,812,108.31-8,718,169.76-2,778,761.18

Finding the Fourth Proportional to 5,812,108.31, 8,718,169.76 and 2,778,761.18

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Solution

The fourth proportional to 5,812,108.31, 8,718,169.76 and 2,778,761.18 is: 4,168,145.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,812,108.31 : 8,718,169.76 = 2,778,761.18 : x
  2. Step 2: Convert to fraction form
    5,812,108.31/8,718,169.76 = 2,778,761.18/x
  3. Step 3: Cross multiply
    5,812,108.31x = 8,718,169.76 × 2,778,761.18
  4. Step 4: Simplify right side
    5,812,108.31x = 24,225,711,675,844.11
  5. Step 5: Solve for x
    x = 24,225,711,675,844.11/5,812,108.31
  6. Step 6: Final answer
    x = 4,168,145.26

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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.