Home / 1,750,278.10-2,625,417.15-1,325,125.30

Finding the Fourth Proportional to 1,750,278.10, 2,625,417.15 and 1,325,125.30

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Solution

The fourth proportional to 1,750,278.10, 2,625,417.15 and 1,325,125.30 is: 1,987,687.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750,278.10 : 2,625,417.15 = 1,325,125.30 : x
  2. Step 2: Convert to fraction form
    1,750,278.10/2,625,417.15 = 1,325,125.30/x
  3. Step 3: Cross multiply
    1,750,278.10x = 2,625,417.15 × 1,325,125.30
  4. Step 4: Simplify right side
    1,750,278.10x = 3,479,006,688,518.90
  5. Step 5: Solve for x
    x = 3,479,006,688,518.90/1,750,278.10
  6. Step 6: Final answer
    x = 1,987,687.95

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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.