Home / 1,860,942.80-2,791,414.20-914,117.60

Finding the Fourth Proportional to 1,860,942.80, 2,791,414.20 and 914,117.60

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Solution

The fourth proportional to 1,860,942.80, 2,791,414.20 and 914,117.60 is: 1,371,176.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860,942.80 : 2,791,414.20 = 914,117.60 : x
  2. Step 2: Convert to fraction form
    1,860,942.80/2,791,414.20 = 914,117.60/x
  3. Step 3: Cross multiply
    1,860,942.80x = 2,791,414.20 × 914,117.60
  4. Step 4: Simplify right side
    1,860,942.80x = 2,551,680,849,109.92
  5. Step 5: Solve for x
    x = 2,551,680,849,109.92/1,860,942.80
  6. Step 6: Final answer
    x = 1,371,176.40

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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.