Home / 4,681,689.72-6,458,145.03-3,811,460.55

Finding the Fourth Proportional to 4,681,689.72, 6,458,145.03 and 3,811,460.55

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Solution

The fourth proportional to 4,681,689.72, 6,458,145.03 and 3,811,460.55 is: 5,257,709.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,681,689.72 : 6,458,145.03 = 3,811,460.55 : x
  2. Step 2: Convert to fraction form
    4,681,689.72/6,458,145.03 = 3,811,460.55/x
  3. Step 3: Cross multiply
    4,681,689.72x = 6,458,145.03 × 3,811,460.55
  4. Step 4: Simplify right side
    4,681,689.72x = 24,614,965,008,023.57
  5. Step 5: Solve for x
    x = 24,614,965,008,023.57/4,681,689.72
  6. Step 6: Final answer
    x = 5,257,709.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.