Home / 2,918,501.80-4,377,138.30-1,235,660.20

Finding the Fourth Proportional to 2,918,501.80, 4,377,138.30 and 1,235,660.20

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Solution

The fourth proportional to 2,918,501.80, 4,377,138.30 and 1,235,660.20 is: 1,853,230.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918,501.80 : 4,377,138.30 = 1,235,660.20 : x
  2. Step 2: Convert to fraction form
    2,918,501.80/4,377,138.30 = 1,235,660.20/x
  3. Step 3: Cross multiply
    2,918,501.80x = 4,377,138.30 × 1,235,660.20
  4. Step 4: Simplify right side
    2,918,501.80x = 5,408,655,587,205.66
  5. Step 5: Solve for x
    x = 5,408,655,587,205.66/2,918,501.80
  6. Step 6: Final answer
    x = 1,853,230.17

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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.