Home / 2,695,191.20-4,042,786.80-2,642,047.10

Finding the Fourth Proportional to 2,695,191.20, 4,042,786.80 and 2,642,047.10

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Solution

The fourth proportional to 2,695,191.20, 4,042,786.80 and 2,642,047.10 is: 3,963,070.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,695,191.20 : 4,042,786.80 = 2,642,047.10 : x
  2. Step 2: Convert to fraction form
    2,695,191.20/4,042,786.80 = 2,642,047.10/x
  3. Step 3: Cross multiply
    2,695,191.20x = 4,042,786.80 × 2,642,047.10
  4. Step 4: Simplify right side
    2,695,191.20x = 10,681,233,140,858.28
  5. Step 5: Solve for x
    x = 10,681,233,140,858.28/2,695,191.20
  6. Step 6: Final answer
    x = 3,963,070.65

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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.