Home / 1,979,000.64-2,730,790.26-1,107,882.90

Finding the Fourth Proportional to 1,979,000.64, 2,730,790.26 and 1,107,882.90

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Solution

The fourth proportional to 1,979,000.64, 2,730,790.26 and 1,107,882.90 is: 1,528,749.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,000.64 : 2,730,790.26 = 1,107,882.90 : x
  2. Step 2: Convert to fraction form
    1,979,000.64/2,730,790.26 = 1,107,882.90/x
  3. Step 3: Cross multiply
    1,979,000.64x = 2,730,790.26 × 1,107,882.90
  4. Step 4: Simplify right side
    1,979,000.64x = 3,025,395,832,540.55
  5. Step 5: Solve for x
    x = 3,025,395,832,540.55/1,979,000.64
  6. Step 6: Final answer
    x = 1,528,749.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.