Home / 2,235,580.60-3,354,245.70-815,780.20

Finding the Fourth Proportional to 2,235,580.60, 3,354,245.70 and 815,780.20

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Solution

The fourth proportional to 2,235,580.60, 3,354,245.70 and 815,780.20 is: 1,223,989.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235,580.60 : 3,354,245.70 = 815,780.20 : x
  2. Step 2: Convert to fraction form
    2,235,580.60/3,354,245.70 = 815,780.20/x
  3. Step 3: Cross multiply
    2,235,580.60x = 3,354,245.70 × 815,780.20
  4. Step 4: Simplify right side
    2,235,580.60x = 2,736,327,227,995.14
  5. Step 5: Solve for x
    x = 2,736,327,227,995.14/2,235,580.60
  6. Step 6: Final answer
    x = 1,223,989.52

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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.