Home / 2,811,095.92-4,216,901.21-789,326.20

Finding the Fourth Proportional to 2,811,095.92, 4,216,901.21 and 789,326.20

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Solution

The fourth proportional to 2,811,095.92, 4,216,901.21 and 789,326.20 is: 1,184,061.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,095.92 : 4,216,901.21 = 789,326.20 : x
  2. Step 2: Convert to fraction form
    2,811,095.92/4,216,901.21 = 789,326.20/x
  3. Step 3: Cross multiply
    2,811,095.92x = 4,216,901.21 × 789,326.20
  4. Step 4: Simplify right side
    2,811,095.92x = 3,328,510,612,149.17
  5. Step 5: Solve for x
    x = 3,328,510,612,149.17/2,811,095.92
  6. Step 6: Final answer
    x = 1,184,061.56

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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.