Home / 6,786,487.08-10,179,641.04-1,668,961.20

Finding the Fourth Proportional to 6,786,487.08, 10,179,641.04 and 1,668,961.20

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Solution

The fourth proportional to 6,786,487.08, 10,179,641.04 and 1,668,961.20 is: 2,503,419.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,786,487.08 : 10,179,641.04 = 1,668,961.20 : x
  2. Step 2: Convert to fraction form
    6,786,487.08/10,179,641.04 = 1,668,961.20/x
  3. Step 3: Cross multiply
    6,786,487.08x = 10,179,641.04 × 1,668,961.20
  4. Step 4: Simplify right side
    6,786,487.08x = 16,989,425,925,687.65
  5. Step 5: Solve for x
    x = 16,989,425,925,687.65/6,786,487.08
  6. Step 6: Final answer
    x = 2,503,419.77

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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.