Home / 1,980,151.72-2,969,751.72-914,169.88

Finding the Fourth Proportional to 1,980,151.72, 2,969,751.72 and 914,169.88

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Solution

The fourth proportional to 1,980,151.72, 2,969,751.72 and 914,169.88 is: 1,371,035.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,151.72 : 2,969,751.72 = 914,169.88 : x
  2. Step 2: Convert to fraction form
    1,980,151.72/2,969,751.72 = 914,169.88/x
  3. Step 3: Cross multiply
    1,980,151.72x = 2,969,751.72 × 914,169.88
  4. Step 4: Simplify right side
    1,980,151.72x = 2,714,857,573,502.19
  5. Step 5: Solve for x
    x = 2,714,857,573,502.19/1,980,151.72
  6. Step 6: Final answer
    x = 1,371,035.13

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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.