Home / 1,921,191.24-2,651,169.96-1,105,656.88

Finding the Fourth Proportional to 1,921,191.24, 2,651,169.96 and 1,105,656.88

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Solution

The fourth proportional to 1,921,191.24, 2,651,169.96 and 1,105,656.88 is: 1,525,763.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,921,191.24 : 2,651,169.96 = 1,105,656.88 : x
  2. Step 2: Convert to fraction form
    1,921,191.24/2,651,169.96 = 1,105,656.88/x
  3. Step 3: Cross multiply
    1,921,191.24x = 2,651,169.96 × 1,105,656.88
  4. Step 4: Simplify right side
    1,921,191.24x = 2,931,284,306,323.32
  5. Step 5: Solve for x
    x = 2,931,284,306,323.32/1,921,191.24
  6. Step 6: Final answer
    x = 1,525,763.94

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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.