Home / 2,911,864.50-4,367,808-890,100.66

Finding the Fourth Proportional to 2,911,864.50, 4,367,808 and 890,100.66

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Solution

The fourth proportional to 2,911,864.50, 4,367,808 and 890,100.66 is: 1,335,154.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911,864.50 : 4,367,808 = 890,100.66 : x
  2. Step 2: Convert to fraction form
    2,911,864.50/4,367,808 = 890,100.66/x
  3. Step 3: Cross multiply
    2,911,864.50x = 4,367,808 × 890,100.66
  4. Step 4: Simplify right side
    2,911,864.50x = 3,887,788,783,553.28
  5. Step 5: Solve for x
    x = 3,887,788,783,553.28/2,911,864.50
  6. Step 6: Final answer
    x = 1,335,154.43

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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.