Home / 3,931,498.76-5,425,642.92-2,212,730.60

Finding the Fourth Proportional to 3,931,498.76, 5,425,642.92 and 2,212,730.60

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Solution

The fourth proportional to 3,931,498.76, 5,425,642.92 and 2,212,730.60 is: 3,053,666.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,498.76 : 5,425,642.92 = 2,212,730.60 : x
  2. Step 2: Convert to fraction form
    3,931,498.76/5,425,642.92 = 2,212,730.60/x
  3. Step 3: Cross multiply
    3,931,498.76x = 5,425,642.92 × 2,212,730.60
  4. Step 4: Simplify right side
    3,931,498.76x = 12,005,486,113,757.35
  5. Step 5: Solve for x
    x = 12,005,486,113,757.35/3,931,498.76
  6. Step 6: Final answer
    x = 3,053,666.51

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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.