Home / 2,690,638.60-4,033,949.10-1,625,456.20

Finding the Fourth Proportional to 2,690,638.60, 4,033,949.10 and 1,625,456.20

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Solution

The fourth proportional to 2,690,638.60, 4,033,949.10 and 1,625,456.20 is: 2,436,970.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690,638.60 : 4,033,949.10 = 1,625,456.20 : x
  2. Step 2: Convert to fraction form
    2,690,638.60/4,033,949.10 = 1,625,456.20/x
  3. Step 3: Cross multiply
    2,690,638.60x = 4,033,949.10 × 1,625,456.20
  4. Step 4: Simplify right side
    2,690,638.60x = 6,557,007,575,079.42
  5. Step 5: Solve for x
    x = 6,557,007,575,079.42/2,690,638.60
  6. Step 6: Final answer
    x = 2,436,970.75

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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.