Home / 3,312,891.84-4,969,448.20-916,535.76

Finding the Fourth Proportional to 3,312,891.84, 4,969,448.20 and 916,535.76

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Solution

The fourth proportional to 3,312,891.84, 4,969,448.20 and 916,535.76 is: 1,374,834.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312,891.84 : 4,969,448.20 = 916,535.76 : x
  2. Step 2: Convert to fraction form
    3,312,891.84/4,969,448.20 = 916,535.76/x
  3. Step 3: Cross multiply
    3,312,891.84x = 4,969,448.20 × 916,535.76
  4. Step 4: Simplify right side
    3,312,891.84x = 4,554,676,982,767.63
  5. Step 5: Solve for x
    x = 4,554,676,982,767.63/3,312,891.84
  6. Step 6: Final answer
    x = 1,374,834.19

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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.