Home / 6,478,759.32-8,940,635.42-3,578,349

Finding the Fourth Proportional to 6,478,759.32, 8,940,635.42 and 3,578,349

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Solution

The fourth proportional to 6,478,759.32, 8,940,635.42 and 3,578,349 is: 4,938,092.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,478,759.32 : 8,940,635.42 = 3,578,349 : x
  2. Step 2: Convert to fraction form
    6,478,759.32/8,940,635.42 = 3,578,349/x
  3. Step 3: Cross multiply
    6,478,759.32x = 8,940,635.42 × 3,578,349
  4. Step 4: Simplify right side
    6,478,759.32x = 31,992,713,814,521.58
  5. Step 5: Solve for x
    x = 31,992,713,814,521.58/6,478,759.32
  6. Step 6: Final answer
    x = 4,938,092.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.