Home / 2,945,328.74-4,417,474.71-786,380.66

Finding the Fourth Proportional to 2,945,328.74, 4,417,474.71 and 786,380.66

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Solution

The fourth proportional to 2,945,328.74, 4,417,474.71 and 786,380.66 is: 1,179,432.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945,328.74 : 4,417,474.71 = 786,380.66 : x
  2. Step 2: Convert to fraction form
    2,945,328.74/4,417,474.71 = 786,380.66/x
  3. Step 3: Cross multiply
    2,945,328.74x = 4,417,474.71 × 786,380.66
  4. Step 4: Simplify right side
    2,945,328.74x = 3,473,816,677,983.11
  5. Step 5: Solve for x
    x = 3,473,816,677,983.11/2,945,328.74
  6. Step 6: Final answer
    x = 1,179,432.58

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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.