Home / 2,376,421.52-3,279,462.58-1,288,692.81

Finding the Fourth Proportional to 2,376,421.52, 3,279,462.58 and 1,288,692.81

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Solution

The fourth proportional to 2,376,421.52, 3,279,462.58 and 1,288,692.81 is: 1,778,396.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,376,421.52 : 3,279,462.58 = 1,288,692.81 : x
  2. Step 2: Convert to fraction form
    2,376,421.52/3,279,462.58 = 1,288,692.81/x
  3. Step 3: Cross multiply
    2,376,421.52x = 3,279,462.58 × 1,288,692.81
  4. Step 4: Simplify right side
    2,376,421.52x = 4,226,219,850,731.78
  5. Step 5: Solve for x
    x = 4,226,219,850,731.78/2,376,421.52
  6. Step 6: Final answer
    x = 1,778,396.56

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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.