Home / 3,680,726.70-5,079,278.43-2,070,783.66

Finding the Fourth Proportional to 3,680,726.70, 5,079,278.43 and 2,070,783.66

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Solution

The fourth proportional to 3,680,726.70, 5,079,278.43 and 2,070,783.66 is: 2,857,611.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680,726.70 : 5,079,278.43 = 2,070,783.66 : x
  2. Step 2: Convert to fraction form
    3,680,726.70/5,079,278.43 = 2,070,783.66/x
  3. Step 3: Cross multiply
    3,680,726.70x = 5,079,278.43 × 2,070,783.66
  4. Step 4: Simplify right side
    3,680,726.70x = 10,518,086,777,434.45
  5. Step 5: Solve for x
    x = 10,518,086,777,434.45/3,680,726.70
  6. Step 6: Final answer
    x = 2,857,611.45

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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.