Home / 2,399,421.23-3,293,575.91-2,121,398.85

Finding the Fourth Proportional to 2,399,421.23, 3,293,575.91 and 2,121,398.85

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Solution

The fourth proportional to 2,399,421.23, 3,293,575.91 and 2,121,398.85 is: 2,911,947.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,399,421.23 : 3,293,575.91 = 2,121,398.85 : x
  2. Step 2: Convert to fraction form
    2,399,421.23/3,293,575.91 = 2,121,398.85/x
  3. Step 3: Cross multiply
    2,399,421.23x = 3,293,575.91 × 2,121,398.85
  4. Step 4: Simplify right side
    2,399,421.23x = 6,986,988,153,165.20
  5. Step 5: Solve for x
    x = 6,986,988,153,165.20/2,399,421.23
  6. Step 6: Final answer
    x = 2,911,947.30

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.