Home / 6,240,315.80-9,355,808.10-2,643,138.20

Finding the Fourth Proportional to 6,240,315.80, 9,355,808.10 and 2,643,138.20

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Solution

The fourth proportional to 6,240,315.80, 9,355,808.10 and 2,643,138.20 is: 3,962,731.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,240,315.80 : 9,355,808.10 = 2,643,138.20 : x
  2. Step 2: Convert to fraction form
    6,240,315.80/9,355,808.10 = 2,643,138.20/x
  3. Step 3: Cross multiply
    6,240,315.80x = 9,355,808.10 × 2,643,138.20
  4. Step 4: Simplify right side
    6,240,315.80x = 24,728,693,780,979.42
  5. Step 5: Solve for x
    x = 24,728,693,780,979.42/6,240,315.80
  6. Step 6: Final answer
    x = 3,962,731.15

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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.