Home / 2,153,117.32-3,229,568.65-805,180.83

Finding the Fourth Proportional to 2,153,117.32, 3,229,568.65 and 805,180.83

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Solution

The fourth proportional to 2,153,117.32, 3,229,568.65 and 805,180.83 is: 1,207,731.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,117.32 : 3,229,568.65 = 805,180.83 : x
  2. Step 2: Convert to fraction form
    2,153,117.32/3,229,568.65 = 805,180.83/x
  3. Step 3: Cross multiply
    2,153,117.32x = 3,229,568.65 × 805,180.83
  4. Step 4: Simplify right side
    2,153,117.32x = 2,600,386,766,148.98
  5. Step 5: Solve for x
    x = 2,600,386,766,148.98/2,153,117.32
  6. Step 6: Final answer
    x = 1,207,731.11

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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.