Home / 6,389,226.78-8,817,490.20-3,488,886.90

Finding the Fourth Proportional to 6,389,226.78, 8,817,490.20 and 3,488,886.90

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Solution

The fourth proportional to 6,389,226.78, 8,817,490.20 and 3,488,886.90 is: 4,814,859.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,389,226.78 : 8,817,490.20 = 3,488,886.90 : x
  2. Step 2: Convert to fraction form
    6,389,226.78/8,817,490.20 = 3,488,886.90/x
  3. Step 3: Cross multiply
    6,389,226.78x = 8,817,490.20 × 3,488,886.90
  4. Step 4: Simplify right side
    6,389,226.78x = 30,763,226,049,658.38
  5. Step 5: Solve for x
    x = 30,763,226,049,658.38/6,389,226.78
  6. Step 6: Final answer
    x = 4,814,859.00

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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.