Home / 5,105,536.31-7,045,641.22-2,782,429.38

Finding the Fourth Proportional to 5,105,536.31, 7,045,641.22 and 2,782,429.38

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Solution

The fourth proportional to 5,105,536.31, 7,045,641.22 and 2,782,429.38 is: 3,839,753.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105,536.31 : 7,045,641.22 = 2,782,429.38 : x
  2. Step 2: Convert to fraction form
    5,105,536.31/7,045,641.22 = 2,782,429.38/x
  3. Step 3: Cross multiply
    5,105,536.31x = 7,045,641.22 × 2,782,429.38
  4. Step 4: Simplify right side
    5,105,536.31x = 19,603,999,131,467.04
  5. Step 5: Solve for x
    x = 19,603,999,131,467.04/5,105,536.31
  6. Step 6: Final answer
    x = 3,839,753.15

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1.5x scale

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.