Home / 2,428,920.90-3,643,380.90-723,089.15

Finding the Fourth Proportional to 2,428,920.90, 3,643,380.90 and 723,089.15

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Solution

The fourth proportional to 2,428,920.90, 3,643,380.90 and 723,089.15 is: 1,084,633.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428,920.90 : 3,643,380.90 = 723,089.15 : x
  2. Step 2: Convert to fraction form
    2,428,920.90/3,643,380.90 = 723,089.15/x
  3. Step 3: Cross multiply
    2,428,920.90x = 3,643,380.90 × 723,089.15
  4. Step 4: Simplify right side
    2,428,920.90x = 2,634,489,195,395.65
  5. Step 5: Solve for x
    x = 2,634,489,195,395.65/2,428,920.90
  6. Step 6: Final answer
    x = 1,084,633.59

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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.