Home / 2,187,029.18-3,018,172.75-1,193,651.26

Finding the Fourth Proportional to 2,187,029.18, 3,018,172.75 and 1,193,651.26

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Solution

The fourth proportional to 2,187,029.18, 3,018,172.75 and 1,193,651.26 is: 1,647,278.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,029.18 : 3,018,172.75 = 1,193,651.26 : x
  2. Step 2: Convert to fraction form
    2,187,029.18/3,018,172.75 = 1,193,651.26/x
  3. Step 3: Cross multiply
    2,187,029.18x = 3,018,172.75 × 1,193,651.26
  4. Step 4: Simplify right side
    2,187,029.18x = 3,602,645,695,405.61
  5. Step 5: Solve for x
    x = 3,602,645,695,405.61/2,187,029.18
  6. Step 6: Final answer
    x = 1,647,278.29

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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.