Home / 6,389,218.90-8,817,479.13-3,488,878.90

Finding the Fourth Proportional to 6,389,218.90, 8,817,479.13 and 3,488,878.90

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Solution

The fourth proportional to 6,389,218.90, 8,817,479.13 and 3,488,878.90 is: 4,814,847.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,389,218.90 : 8,817,479.13 = 3,488,878.90 : x
  2. Step 2: Convert to fraction form
    6,389,218.90/8,817,479.13 = 3,488,878.90/x
  3. Step 3: Cross multiply
    6,389,218.90x = 8,817,479.13 × 3,488,878.90
  4. Step 4: Simplify right side
    6,389,218.90x = 30,763,116,887,847.36
  5. Step 5: Solve for x
    x = 30,763,116,887,847.36/6,389,218.90
  6. Step 6: Final answer
    x = 4,814,847.85

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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.