Home / 1,980,764.24-2,969,177.72-1,180,847.12

Finding the Fourth Proportional to 1,980,764.24, 2,969,177.72 and 1,180,847.12

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Solution

The fourth proportional to 1,980,764.24, 2,969,177.72 and 1,180,847.12 is: 1,770,097.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,764.24 : 2,969,177.72 = 1,180,847.12 : x
  2. Step 2: Convert to fraction form
    1,980,764.24/2,969,177.72 = 1,180,847.12/x
  3. Step 3: Cross multiply
    1,980,764.24x = 2,969,177.72 × 1,180,847.12
  4. Step 4: Simplify right side
    1,980,764.24x = 3,506,144,938,680.04
  5. Step 5: Solve for x
    x = 3,506,144,938,680.04/1,980,764.24
  6. Step 6: Final answer
    x = 1,770,097.05

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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.