Home / 3,213,581.40-4,811,040.90-3,120,269.40

Finding the Fourth Proportional to 3,213,581.40, 4,811,040.90 and 3,120,269.40

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Solution

The fourth proportional to 3,213,581.40, 4,811,040.90 and 3,120,269.40 is: 4,671,343.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213,581.40 : 4,811,040.90 = 3,120,269.40 : x
  2. Step 2: Convert to fraction form
    3,213,581.40/4,811,040.90 = 3,120,269.40/x
  3. Step 3: Cross multiply
    3,213,581.40x = 4,811,040.90 × 3,120,269.40
  4. Step 4: Simplify right side
    3,213,581.40x = 15,011,743,702,418.46
  5. Step 5: Solve for x
    x = 15,011,743,702,418.46/3,213,581.40
  6. Step 6: Final answer
    x = 4,671,343.85

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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.