Home / 3,186,695.88-4,781,456.55-1,670,018.20

Finding the Fourth Proportional to 3,186,695.88, 4,781,456.55 and 1,670,018.20

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Solution

The fourth proportional to 3,186,695.88, 4,781,456.55 and 1,670,018.20 is: 2,505,767.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186,695.88 : 4,781,456.55 = 1,670,018.20 : x
  2. Step 2: Convert to fraction form
    3,186,695.88/4,781,456.55 = 1,670,018.20/x
  3. Step 3: Cross multiply
    3,186,695.88x = 4,781,456.55 × 1,670,018.20
  4. Step 4: Simplify right side
    3,186,695.88x = 7,985,119,449,055.57
  5. Step 5: Solve for x
    x = 7,985,119,449,055.57/3,186,695.88
  6. Step 6: Final answer
    x = 2,505,767.65

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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.