Home / 2,131,254.71-3,194,727.95-917,622.96

Finding the Fourth Proportional to 2,131,254.71, 3,194,727.95 and 917,622.96

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Solution

The fourth proportional to 2,131,254.71, 3,194,727.95 and 917,622.96 is: 1,375,506.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,254.71 : 3,194,727.95 = 917,622.96 : x
  2. Step 2: Convert to fraction form
    2,131,254.71/3,194,727.95 = 917,622.96/x
  3. Step 3: Cross multiply
    2,131,254.71x = 3,194,727.95 × 917,622.96
  4. Step 4: Simplify right side
    2,131,254.71x = 2,931,555,713,285.62
  5. Step 5: Solve for x
    x = 2,931,555,713,285.62/2,131,254.71
  6. Step 6: Final answer
    x = 1,375,506.98

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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.