Home / 2,808,576.46-4,213,053.30-986,719.90

Finding the Fourth Proportional to 2,808,576.46, 4,213,053.30 and 986,719.90

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Solution

The fourth proportional to 2,808,576.46, 4,213,053.30 and 986,719.90 is: 1,480,146.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808,576.46 : 4,213,053.30 = 986,719.90 : x
  2. Step 2: Convert to fraction form
    2,808,576.46/4,213,053.30 = 986,719.90/x
  3. Step 3: Cross multiply
    2,808,576.46x = 4,213,053.30 × 986,719.90
  4. Step 4: Simplify right side
    2,808,576.46x = 4,157,103,530,870.67
  5. Step 5: Solve for x
    x = 4,157,103,530,870.67/2,808,576.46
  6. Step 6: Final answer
    x = 1,480,146.11

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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.