Home / 6,453,057.78-9,679,520.88-1,660,728.42

Finding the Fourth Proportional to 6,453,057.78, 9,679,520.88 and 1,660,728.42

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Solution

The fourth proportional to 6,453,057.78, 9,679,520.88 and 1,660,728.42 is: 2,491,075.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,453,057.78 : 9,679,520.88 = 1,660,728.42 : x
  2. Step 2: Convert to fraction form
    6,453,057.78/9,679,520.88 = 1,660,728.42/x
  3. Step 3: Cross multiply
    6,453,057.78x = 9,679,520.88 × 1,660,728.42
  4. Step 4: Simplify right side
    6,453,057.78x = 16,075,055,417,399.41
  5. Step 5: Solve for x
    x = 16,075,055,417,399.41/6,453,057.78
  6. Step 6: Final answer
    x = 2,491,075.70

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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.