Home / 2,657,465.80-3,987,948.30-1,520,225.80

Finding the Fourth Proportional to 2,657,465.80, 3,987,948.30 and 1,520,225.80

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Solution

The fourth proportional to 2,657,465.80, 3,987,948.30 and 1,520,225.80 is: 2,281,339.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,465.80 : 3,987,948.30 = 1,520,225.80 : x
  2. Step 2: Convert to fraction form
    2,657,465.80/3,987,948.30 = 1,520,225.80/x
  3. Step 3: Cross multiply
    2,657,465.80x = 3,987,948.30 × 1,520,225.80
  4. Step 4: Simplify right side
    2,657,465.80x = 6,062,581,894,726.14
  5. Step 5: Solve for x
    x = 6,062,581,894,726.14/2,657,465.80
  6. Step 6: Final answer
    x = 2,281,339.57

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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.