Home / 2,674,689-3,688,296.39-2,288,781.87

Finding the Fourth Proportional to 2,674,689, 3,688,296.39 and 2,288,781.87

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Solution

The fourth proportional to 2,674,689, 3,688,296.39 and 2,288,781.87 is: 3,156,144.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,674,689 : 3,688,296.39 = 2,288,781.87 : x
  2. Step 2: Convert to fraction form
    2,674,689/3,688,296.39 = 2,288,781.87/x
  3. Step 3: Cross multiply
    2,674,689x = 3,688,296.39 × 2,288,781.87
  4. Step 4: Simplify right side
    2,674,689x = 8,441,705,908,618.45
  5. Step 5: Solve for x
    x = 8,441,705,908,618.45/2,674,689
  6. Step 6: Final answer
    x = 3,156,144.85

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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.