Home / 3,118,198.80-4,676,326.20-1,225,520.40

Finding the Fourth Proportional to 3,118,198.80, 4,676,326.20 and 1,225,520.40

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Solution

The fourth proportional to 3,118,198.80, 4,676,326.20 and 1,225,520.40 is: 1,837,898.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,198.80 : 4,676,326.20 = 1,225,520.40 : x
  2. Step 2: Convert to fraction form
    3,118,198.80/4,676,326.20 = 1,225,520.40/x
  3. Step 3: Cross multiply
    3,118,198.80x = 4,676,326.20 × 1,225,520.40
  4. Step 4: Simplify right side
    3,118,198.80x = 5,730,933,155,154.48
  5. Step 5: Solve for x
    x = 5,730,933,155,154.48/3,118,198.80
  6. Step 6: Final answer
    x = 1,837,898.58

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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.