Home / 4,293,321.90-6,439,937.46-1,098,422.70

Finding the Fourth Proportional to 4,293,321.90, 6,439,937.46 and 1,098,422.70

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Solution

The fourth proportional to 4,293,321.90, 6,439,937.46 and 1,098,422.70 is: 1,647,622.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,293,321.90 : 6,439,937.46 = 1,098,422.70 : x
  2. Step 2: Convert to fraction form
    4,293,321.90/6,439,937.46 = 1,098,422.70/x
  3. Step 3: Cross multiply
    4,293,321.90x = 6,439,937.46 × 1,098,422.70
  4. Step 4: Simplify right side
    4,293,321.90x = 7,073,773,492,644.34
  5. Step 5: Solve for x
    x = 7,073,773,492,644.34/4,293,321.90
  6. Step 6: Final answer
    x = 1,647,622.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.