Home / 2,646,000.10-3,969,000.15-1,153,008.10

Finding the Fourth Proportional to 2,646,000.10, 3,969,000.15 and 1,153,008.10

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Solution

The fourth proportional to 2,646,000.10, 3,969,000.15 and 1,153,008.10 is: 1,729,512.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,646,000.10 : 3,969,000.15 = 1,153,008.10 : x
  2. Step 2: Convert to fraction form
    2,646,000.10/3,969,000.15 = 1,153,008.10/x
  3. Step 3: Cross multiply
    2,646,000.10x = 3,969,000.15 × 1,153,008.10
  4. Step 4: Simplify right side
    2,646,000.10x = 4,576,289,321,851.22
  5. Step 5: Solve for x
    x = 4,576,289,321,851.22/2,646,000.10
  6. Step 6: Final answer
    x = 1,729,512.15

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Similar ratio
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1.5x scale

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.