Home / 2,920,312.80-4,379,691.60-898,552.80

Finding the Fourth Proportional to 2,920,312.80, 4,379,691.60 and 898,552.80

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Solution

The fourth proportional to 2,920,312.80, 4,379,691.60 and 898,552.80 is: 1,347,589.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920,312.80 : 4,379,691.60 = 898,552.80 : x
  2. Step 2: Convert to fraction form
    2,920,312.80/4,379,691.60 = 898,552.80/x
  3. Step 3: Cross multiply
    2,920,312.80x = 4,379,691.60 × 898,552.80
  4. Step 4: Simplify right side
    2,920,312.80x = 3,935,384,150,316.48
  5. Step 5: Solve for x
    x = 3,935,384,150,316.48/2,920,312.80
  6. Step 6: Final answer
    x = 1,347,589.94

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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.