Home / 3,887,999.40-5,829,234.30-1,490,917.80

Finding the Fourth Proportional to 3,887,999.40, 5,829,234.30 and 1,490,917.80

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Solution

The fourth proportional to 3,887,999.40, 5,829,234.30 and 1,490,917.80 is: 2,235,316.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887,999.40 : 5,829,234.30 = 1,490,917.80 : x
  2. Step 2: Convert to fraction form
    3,887,999.40/5,829,234.30 = 1,490,917.80/x
  3. Step 3: Cross multiply
    3,887,999.40x = 5,829,234.30 × 1,490,917.80
  4. Step 4: Simplify right side
    3,887,999.40x = 8,690,909,178,240.54
  5. Step 5: Solve for x
    x = 8,690,909,178,240.54/3,887,999.40
  6. Step 6: Final answer
    x = 2,235,316.49

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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.