Home / 1,620,301.12-2,236,060.70-895,195.60

Finding the Fourth Proportional to 1,620,301.12, 2,236,060.70 and 895,195.60

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Solution

The fourth proportional to 1,620,301.12, 2,236,060.70 and 895,195.60 is: 1,235,394.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,301.12 : 2,236,060.70 = 895,195.60 : x
  2. Step 2: Convert to fraction form
    1,620,301.12/2,236,060.70 = 895,195.60/x
  3. Step 3: Cross multiply
    1,620,301.12x = 2,236,060.70 × 895,195.60
  4. Step 4: Simplify right side
    1,620,301.12x = 2,001,711,699,972.92
  5. Step 5: Solve for x
    x = 2,001,711,699,972.92/1,620,301.12
  6. Step 6: Final answer
    x = 1,235,394.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.