Home / 2,486,934.40-3,730,401.37-689,817.95

Finding the Fourth Proportional to 2,486,934.40, 3,730,401.37 and 689,817.95

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Solution

The fourth proportional to 2,486,934.40, 3,730,401.37 and 689,817.95 is: 1,034,726.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486,934.40 : 3,730,401.37 = 689,817.95 : x
  2. Step 2: Convert to fraction form
    2,486,934.40/3,730,401.37 = 689,817.95/x
  3. Step 3: Cross multiply
    2,486,934.40x = 3,730,401.37 × 689,817.95
  4. Step 4: Simplify right side
    2,486,934.40x = 2,573,297,842,913.37
  5. Step 5: Solve for x
    x = 2,573,297,842,913.37/2,486,934.40
  6. Step 6: Final answer
    x = 1,034,726.87

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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.