Home / 6,643,829.20-9,965,743.80-1,595,139.70

Finding the Fourth Proportional to 6,643,829.20, 9,965,743.80 and 1,595,139.70

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Solution

The fourth proportional to 6,643,829.20, 9,965,743.80 and 1,595,139.70 is: 2,392,709.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,643,829.20 : 9,965,743.80 = 1,595,139.70 : x
  2. Step 2: Convert to fraction form
    6,643,829.20/9,965,743.80 = 1,595,139.70/x
  3. Step 3: Cross multiply
    6,643,829.20x = 9,965,743.80 × 1,595,139.70
  4. Step 4: Simplify right side
    6,643,829.20x = 15,896,753,575,408.86
  5. Step 5: Solve for x
    x = 15,896,753,575,408.86/6,643,829.20
  6. Step 6: Final answer
    x = 2,392,709.55

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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.