Home / 3,160,705-4,361,772.90-1,729,921

Finding the Fourth Proportional to 3,160,705, 4,361,772.90 and 1,729,921

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Solution

The fourth proportional to 3,160,705, 4,361,772.90 and 1,729,921 is: 2,387,290.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160,705 : 4,361,772.90 = 1,729,921 : x
  2. Step 2: Convert to fraction form
    3,160,705/4,361,772.90 = 1,729,921/x
  3. Step 3: Cross multiply
    3,160,705x = 4,361,772.90 × 1,729,921
  4. Step 4: Simplify right side
    3,160,705x = 7,545,522,536,940.90
  5. Step 5: Solve for x
    x = 7,545,522,536,940.90/3,160,705
  6. Step 6: Final answer
    x = 2,387,290.98

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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.