Home / 2,911,665.80-4,366,721.10-889,905.80

Finding the Fourth Proportional to 2,911,665.80, 4,366,721.10 and 889,905.80

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Solution

The fourth proportional to 2,911,665.80, 4,366,721.10 and 889,905.80 is: 1,334,621.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911,665.80 : 4,366,721.10 = 889,905.80 : x
  2. Step 2: Convert to fraction form
    2,911,665.80/4,366,721.10 = 889,905.80/x
  3. Step 3: Cross multiply
    2,911,665.80x = 4,366,721.10 × 889,905.80
  4. Step 4: Simplify right side
    2,911,665.80x = 3,885,970,433,872.38
  5. Step 5: Solve for x
    x = 3,885,970,433,872.38/2,911,665.80
  6. Step 6: Final answer
    x = 1,334,621.04

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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.