Home / 3,564,513.70-5,346,770.55-1,645,421.20

Finding the Fourth Proportional to 3,564,513.70, 5,346,770.55 and 1,645,421.20

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Solution

The fourth proportional to 3,564,513.70, 5,346,770.55 and 1,645,421.20 is: 2,468,131.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,564,513.70 : 5,346,770.55 = 1,645,421.20 : x
  2. Step 2: Convert to fraction form
    3,564,513.70/5,346,770.55 = 1,645,421.20/x
  3. Step 3: Cross multiply
    3,564,513.70x = 5,346,770.55 × 1,645,421.20
  4. Step 4: Simplify right side
    3,564,513.70x = 8,797,689,614,505.66
  5. Step 5: Solve for x
    x = 8,797,689,614,505.66/3,564,513.70
  6. Step 6: Final answer
    x = 2,468,131.80

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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.