Home / 1,780,382.62-2,670,567.45-981,243.10

Finding the Fourth Proportional to 1,780,382.62, 2,670,567.45 and 981,243.10

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Solution

The fourth proportional to 1,780,382.62, 2,670,567.45 and 981,243.10 is: 1,471,861.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,382.62 : 2,670,567.45 = 981,243.10 : x
  2. Step 2: Convert to fraction form
    1,780,382.62/2,670,567.45 = 981,243.10/x
  3. Step 3: Cross multiply
    1,780,382.62x = 2,670,567.45 × 981,243.10
  4. Step 4: Simplify right side
    1,780,382.62x = 2,620,475,883,397.10
  5. Step 5: Solve for x
    x = 2,620,475,883,397.10/1,780,382.62
  6. Step 6: Final answer
    x = 1,471,861.08

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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.