Home / 3,106,991.12-4,287,648.36-1,818,079.04

Finding the Fourth Proportional to 3,106,991.12, 4,287,648.36 and 1,818,079.04

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Solution

The fourth proportional to 3,106,991.12, 4,287,648.36 and 1,818,079.04 is: 2,508,949.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106,991.12 : 4,287,648.36 = 1,818,079.04 : x
  2. Step 2: Convert to fraction form
    3,106,991.12/4,287,648.36 = 1,818,079.04/x
  3. Step 3: Cross multiply
    3,106,991.12x = 4,287,648.36 × 1,818,079.04
  4. Step 4: Simplify right side
    3,106,991.12x = 7,795,283,614,206.38
  5. Step 5: Solve for x
    x = 7,795,283,614,206.38/3,106,991.12
  6. Step 6: Final answer
    x = 2,508,949.43

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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.