Home / 6,389,554.12-8,817,627.36-3,488,965.16

Finding the Fourth Proportional to 6,389,554.12, 8,817,627.36 and 3,488,965.16

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Solution

The fourth proportional to 6,389,554.12, 8,817,627.36 and 3,488,965.16 is: 4,814,795.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,389,554.12 : 8,817,627.36 = 3,488,965.16 : x
  2. Step 2: Convert to fraction form
    6,389,554.12/8,817,627.36 = 3,488,965.16/x
  3. Step 3: Cross multiply
    6,389,554.12x = 8,817,627.36 × 3,488,965.16
  4. Step 4: Simplify right side
    6,389,554.12x = 30,764,394,652,902.78
  5. Step 5: Solve for x
    x = 30,764,394,652,902.78/6,389,554.12
  6. Step 6: Final answer
    x = 4,814,795.22

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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.