Home / 2,540,354.12-3,805,133.23-1,720,191.18

Finding the Fourth Proportional to 2,540,354.12, 3,805,133.23 and 1,720,191.18

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Solution

The fourth proportional to 2,540,354.12, 3,805,133.23 and 1,720,191.18 is: 2,576,631.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,540,354.12 : 3,805,133.23 = 1,720,191.18 : x
  2. Step 2: Convert to fraction form
    2,540,354.12/3,805,133.23 = 1,720,191.18/x
  3. Step 3: Cross multiply
    2,540,354.12x = 3,805,133.23 × 1,720,191.18
  4. Step 4: Simplify right side
    2,540,354.12x = 6,545,556,620,970.91
  5. Step 5: Solve for x
    x = 6,545,556,620,970.91/2,540,354.12
  6. Step 6: Final answer
    x = 2,576,631.57

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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.