Home / 2,459,479.46-3,689,114.49-840,393.77

Finding the Fourth Proportional to 2,459,479.46, 3,689,114.49 and 840,393.77

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Solution

The fourth proportional to 2,459,479.46, 3,689,114.49 and 840,393.77 is: 1,260,554.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,459,479.46 : 3,689,114.49 = 840,393.77 : x
  2. Step 2: Convert to fraction form
    2,459,479.46/3,689,114.49 = 840,393.77/x
  3. Step 3: Cross multiply
    2,459,479.46x = 3,689,114.49 × 840,393.77
  4. Step 4: Simplify right side
    2,459,479.46x = 3,100,308,815,767.16
  5. Step 5: Solve for x
    x = 3,100,308,815,767.16/2,459,479.46
  6. Step 6: Final answer
    x = 1,260,554.87

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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.