Home / 3,418,385.64-4,716,848.16-1,967,800.78

Finding the Fourth Proportional to 3,418,385.64, 4,716,848.16 and 1,967,800.78

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Solution

The fourth proportional to 3,418,385.64, 4,716,848.16 and 1,967,800.78 is: 2,715,263.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418,385.64 : 4,716,848.16 = 1,967,800.78 : x
  2. Step 2: Convert to fraction form
    3,418,385.64/4,716,848.16 = 1,967,800.78/x
  3. Step 3: Cross multiply
    3,418,385.64x = 4,716,848.16 × 1,967,800.78
  4. Step 4: Simplify right side
    3,418,385.64x = 9,281,817,488,389.57
  5. Step 5: Solve for x
    x = 9,281,817,488,389.57/3,418,385.64
  6. Step 6: Final answer
    x = 2,715,263.42

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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.