Home / 3,426,512.45-5,139,780.53-867,726.70

Finding the Fourth Proportional to 3,426,512.45, 5,139,780.53 and 867,726.70

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Solution

The fourth proportional to 3,426,512.45, 5,139,780.53 and 867,726.70 is: 1,301,593.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426,512.45 : 5,139,780.53 = 867,726.70 : x
  2. Step 2: Convert to fraction form
    3,426,512.45/5,139,780.53 = 867,726.70/x
  3. Step 3: Cross multiply
    3,426,512.45x = 5,139,780.53 × 867,726.70
  4. Step 4: Simplify right side
    3,426,512.45x = 4,459,924,780,833.07
  5. Step 5: Solve for x
    x = 4,459,924,780,833.07/3,426,512.45
  6. Step 6: Final answer
    x = 1,301,593.05

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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.