Home / 3,118,180.80-4,676,299.20-1,225,502.40

Finding the Fourth Proportional to 3,118,180.80, 4,676,299.20 and 1,225,502.40

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Solution

The fourth proportional to 3,118,180.80, 4,676,299.20 and 1,225,502.40 is: 1,837,871.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,180.80 : 4,676,299.20 = 1,225,502.40 : x
  2. Step 2: Convert to fraction form
    3,118,180.80/4,676,299.20 = 1,225,502.40/x
  3. Step 3: Cross multiply
    3,118,180.80x = 4,676,299.20 × 1,225,502.40
  4. Step 4: Simplify right side
    3,118,180.80x = 5,730,815,892,718.08
  5. Step 5: Solve for x
    x = 5,730,815,892,718.08/3,118,180.80
  6. Step 6: Final answer
    x = 1,837,871.59

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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.