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Finding the Fourth Proportional to 3,976,000.40, 5,964,000.60 and 984,184.40

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Solution

The fourth proportional to 3,976,000.40, 5,964,000.60 and 984,184.40 is: 1,476,276.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976,000.40 : 5,964,000.60 = 984,184.40 : x
  2. Step 2: Convert to fraction form
    3,976,000.40/5,964,000.60 = 984,184.40/x
  3. Step 3: Cross multiply
    3,976,000.40x = 5,964,000.60 × 984,184.40
  4. Step 4: Simplify right side
    3,976,000.40x = 5,869,676,352,110.64
  5. Step 5: Solve for x
    x = 5,869,676,352,110.64/3,976,000.40
  6. Step 6: Final answer
    x = 1,476,276.60

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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.