Home / 4,986,315.40-7,479,861.90-2,146,520.20

Finding the Fourth Proportional to 4,986,315.40, 7,479,861.90 and 2,146,520.20

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Solution

The fourth proportional to 4,986,315.40, 7,479,861.90 and 2,146,520.20 is: 3,219,947.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986,315.40 : 7,479,861.90 = 2,146,520.20 : x
  2. Step 2: Convert to fraction form
    4,986,315.40/7,479,861.90 = 2,146,520.20/x
  3. Step 3: Cross multiply
    4,986,315.40x = 7,479,861.90 × 2,146,520.20
  4. Step 4: Simplify right side
    4,986,315.40x = 16,055,674,661,560.38
  5. Step 5: Solve for x
    x = 16,055,674,661,560.38/4,986,315.40
  6. Step 6: Final answer
    x = 3,219,947.67

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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.