Home / 3,210,532.20-4,809,381.78-1,930,438.72

Finding the Fourth Proportional to 3,210,532.20, 4,809,381.78 and 1,930,438.72

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Solution

The fourth proportional to 3,210,532.20, 4,809,381.78 and 1,930,438.72 is: 2,891,799.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210,532.20 : 4,809,381.78 = 1,930,438.72 : x
  2. Step 2: Convert to fraction form
    3,210,532.20/4,809,381.78 = 1,930,438.72/x
  3. Step 3: Cross multiply
    3,210,532.20x = 4,809,381.78 × 1,930,438.72
  4. Step 4: Simplify right side
    3,210,532.20x = 9,284,216,807,374.52
  5. Step 5: Solve for x
    x = 9,284,216,807,374.52/3,210,532.20
  6. Step 6: Final answer
    x = 2,891,799.94

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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.