Home / 2,578,181.12-3,865,943.28-1,157,018.88

Finding the Fourth Proportional to 2,578,181.12, 3,865,943.28 and 1,157,018.88

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Solution

The fourth proportional to 2,578,181.12, 3,865,943.28 and 1,157,018.88 is: 1,734,932.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578,181.12 : 3,865,943.28 = 1,157,018.88 : x
  2. Step 2: Convert to fraction form
    2,578,181.12/3,865,943.28 = 1,157,018.88/x
  3. Step 3: Cross multiply
    2,578,181.12x = 3,865,943.28 × 1,157,018.88
  4. Step 4: Simplify right side
    2,578,181.12x = 4,472,969,363,969.13
  5. Step 5: Solve for x
    x = 4,472,969,363,969.13/2,578,181.12
  6. Step 6: Final answer
    x = 1,734,932.17

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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.