Home / 1,915,500.40-2,872,847.40-967,980.40

Finding the Fourth Proportional to 1,915,500.40, 2,872,847.40 and 967,980.40

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Solution

The fourth proportional to 1,915,500.40, 2,872,847.40 and 967,980.40 is: 1,451,766.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,500.40 : 2,872,847.40 = 967,980.40 : x
  2. Step 2: Convert to fraction form
    1,915,500.40/2,872,847.40 = 967,980.40/x
  3. Step 3: Cross multiply
    1,915,500.40x = 2,872,847.40 × 967,980.40
  4. Step 4: Simplify right side
    1,915,500.40x = 2,780,859,975,390.96
  5. Step 5: Solve for x
    x = 2,780,859,975,390.96/1,915,500.40
  6. Step 6: Final answer
    x = 1,451,766.85

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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.