Home / 6,389,445.57-8,817,399.75-3,488,815.83

Finding the Fourth Proportional to 6,389,445.57, 8,817,399.75 and 3,488,815.83

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Solution

The fourth proportional to 6,389,445.57, 8,817,399.75 and 3,488,815.83 is: 4,814,546.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,389,445.57 : 8,817,399.75 = 3,488,815.83 : x
  2. Step 2: Convert to fraction form
    6,389,445.57/8,817,399.75 = 3,488,815.83/x
  3. Step 3: Cross multiply
    6,389,445.57x = 8,817,399.75 × 3,488,815.83
  4. Step 4: Simplify right side
    6,389,445.57x = 30,762,283,827,238.04
  5. Step 5: Solve for x
    x = 30,762,283,827,238.04/6,389,445.57
  6. Step 6: Final answer
    x = 4,814,546.66

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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.