Home / 3,770,459.80-5,655,689.70-2,920,154.20

Finding the Fourth Proportional to 3,770,459.80, 5,655,689.70 and 2,920,154.20

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Solution

The fourth proportional to 3,770,459.80, 5,655,689.70 and 2,920,154.20 is: 4,380,231.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,770,459.80 : 5,655,689.70 = 2,920,154.20 : x
  2. Step 2: Convert to fraction form
    3,770,459.80/5,655,689.70 = 2,920,154.20/x
  3. Step 3: Cross multiply
    3,770,459.80x = 5,655,689.70 × 2,920,154.20
  4. Step 4: Simplify right side
    3,770,459.80x = 16,515,486,031,351.74
  5. Step 5: Solve for x
    x = 16,515,486,031,351.74/3,770,459.80
  6. Step 6: Final answer
    x = 4,380,231.30

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1.5x scale

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.