Home / 2,889,146.70-4,332,697.83-839,380.95

Finding the Fourth Proportional to 2,889,146.70, 4,332,697.83 and 839,380.95

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Solution

The fourth proportional to 2,889,146.70, 4,332,697.83 and 839,380.95 is: 1,258,774.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889,146.70 : 4,332,697.83 = 839,380.95 : x
  2. Step 2: Convert to fraction form
    2,889,146.70/4,332,697.83 = 839,380.95/x
  3. Step 3: Cross multiply
    2,889,146.70x = 4,332,697.83 × 839,380.95
  4. Step 4: Simplify right side
    2,889,146.70x = 3,636,784,020,608.34
  5. Step 5: Solve for x
    x = 3,636,784,020,608.34/2,889,146.70
  6. Step 6: Final answer
    x = 1,258,774.44

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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.