Home / 1,816,187.20-2,722,336.80-616,998.40

Finding the Fourth Proportional to 1,816,187.20, 2,722,336.80 and 616,998.40

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Solution

The fourth proportional to 1,816,187.20, 2,722,336.80 and 616,998.40 is: 924,837.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,187.20 : 2,722,336.80 = 616,998.40 : x
  2. Step 2: Convert to fraction form
    1,816,187.20/2,722,336.80 = 616,998.40/x
  3. Step 3: Cross multiply
    1,816,187.20x = 2,722,336.80 × 616,998.40
  4. Step 4: Simplify right side
    1,816,187.20x = 1,679,677,449,861.12
  5. Step 5: Solve for x
    x = 1,679,677,449,861.12/1,816,187.20
  6. Step 6: Final answer
    x = 924,837.18

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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.