Home / 6,520,373.20-9,780,559.80-1,728,053.20

Finding the Fourth Proportional to 6,520,373.20, 9,780,559.80 and 1,728,053.20

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Solution

The fourth proportional to 6,520,373.20, 9,780,559.80 and 1,728,053.20 is: 2,592,079.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520,373.20 : 9,780,559.80 = 1,728,053.20 : x
  2. Step 2: Convert to fraction form
    6,520,373.20/9,780,559.80 = 1,728,053.20/x
  3. Step 3: Cross multiply
    6,520,373.20x = 9,780,559.80 × 1,728,053.20
  4. Step 4: Simplify right side
    6,520,373.20x = 16,901,327,660,181.36
  5. Step 5: Solve for x
    x = 16,901,327,660,181.36/6,520,373.20
  6. Step 6: Final answer
    x = 2,592,079.80

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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.