Home / 3,931,530.14-5,425,686.16-2,212,761.98

Finding the Fourth Proportional to 3,931,530.14, 5,425,686.16 and 2,212,761.98

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Solution

The fourth proportional to 3,931,530.14, 5,425,686.16 and 2,212,761.98 is: 3,053,709.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,530.14 : 5,425,686.16 = 2,212,761.98 : x
  2. Step 2: Convert to fraction form
    3,931,530.14/5,425,686.16 = 2,212,761.98/x
  3. Step 3: Cross multiply
    3,931,530.14x = 5,425,686.16 × 2,212,761.98
  4. Step 4: Simplify right side
    3,931,530.14x = 12,005,752,050,260.20
  5. Step 5: Solve for x
    x = 12,005,752,050,260.20/3,931,530.14
  6. Step 6: Final answer
    x = 3,053,709.78

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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.