Home / 2,655,770.70-3,978,904.05-1,615,226.70

Finding the Fourth Proportional to 2,655,770.70, 3,978,904.05 and 1,615,226.70

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Solution

The fourth proportional to 2,655,770.70, 3,978,904.05 and 1,615,226.70 is: 2,419,949.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,655,770.70 : 3,978,904.05 = 1,615,226.70 : x
  2. Step 2: Convert to fraction form
    2,655,770.70/3,978,904.05 = 1,615,226.70/x
  3. Step 3: Cross multiply
    2,655,770.70x = 3,978,904.05 × 1,615,226.70
  4. Step 4: Simplify right side
    2,655,770.70x = 6,426,832,058,298.14
  5. Step 5: Solve for x
    x = 6,426,832,058,298.14/2,655,770.70
  6. Step 6: Final answer
    x = 2,419,949.91

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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.