Home / 1,469,294.80-2,201,609.40-1,091,381.20

Finding the Fourth Proportional to 1,469,294.80, 2,201,609.40 and 1,091,381.20

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Solution

The fourth proportional to 1,469,294.80, 2,201,609.40 and 1,091,381.20 is: 1,635,339.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469,294.80 : 2,201,609.40 = 1,091,381.20 : x
  2. Step 2: Convert to fraction form
    1,469,294.80/2,201,609.40 = 1,091,381.20/x
  3. Step 3: Cross multiply
    1,469,294.80x = 2,201,609.40 × 1,091,381.20
  4. Step 4: Simplify right side
    1,469,294.80x = 2,402,795,108,903.28
  5. Step 5: Solve for x
    x = 2,402,795,108,903.28/1,469,294.80
  6. Step 6: Final answer
    x = 1,635,339.01

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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.