Home / 3,210,235.60-4,815,572.10-1,021,631.80

Finding the Fourth Proportional to 3,210,235.60, 4,815,572.10 and 1,021,631.80

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Solution

The fourth proportional to 3,210,235.60, 4,815,572.10 and 1,021,631.80 is: 1,532,517.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210,235.60 : 4,815,572.10 = 1,021,631.80 : x
  2. Step 2: Convert to fraction form
    3,210,235.60/4,815,572.10 = 1,021,631.80/x
  3. Step 3: Cross multiply
    3,210,235.60x = 4,815,572.10 × 1,021,631.80
  4. Step 4: Simplify right side
    3,210,235.60x = 4,919,741,592,552.78
  5. Step 5: Solve for x
    x = 4,919,741,592,552.78/3,210,235.60
  6. Step 6: Final answer
    x = 1,532,517.30

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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.