Home / 2,687,505.64-4,031,470.14-890,316.52

Finding the Fourth Proportional to 2,687,505.64, 4,031,470.14 and 890,316.52

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Solution

The fourth proportional to 2,687,505.64, 4,031,470.14 and 890,316.52 is: 1,335,544.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687,505.64 : 4,031,470.14 = 890,316.52 : x
  2. Step 2: Convert to fraction form
    2,687,505.64/4,031,470.14 = 890,316.52/x
  3. Step 3: Cross multiply
    2,687,505.64x = 4,031,470.14 × 890,316.52
  4. Step 4: Simplify right side
    2,687,505.64x = 3,589,284,465,528.71
  5. Step 5: Solve for x
    x = 3,589,284,465,528.71/2,687,505.64
  6. Step 6: Final answer
    x = 1,335,544.91

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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.