Home / 3,642,771.40-5,464,422.30-1,398,909.40

Finding the Fourth Proportional to 3,642,771.40, 5,464,422.30 and 1,398,909.40

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Solution

The fourth proportional to 3,642,771.40, 5,464,422.30 and 1,398,909.40 is: 2,098,465.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642,771.40 : 5,464,422.30 = 1,398,909.40 : x
  2. Step 2: Convert to fraction form
    3,642,771.40/5,464,422.30 = 1,398,909.40/x
  3. Step 3: Cross multiply
    3,642,771.40x = 5,464,422.30 × 1,398,909.40
  4. Step 4: Simplify right side
    3,642,771.40x = 7,644,231,721,039.62
  5. Step 5: Solve for x
    x = 7,644,231,721,039.62/3,642,771.40
  6. Step 6: Final answer
    x = 2,098,465.94

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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.