Home / 2,181,428.22-3,003,694.47-2,175,129.66

Finding the Fourth Proportional to 2,181,428.22, 3,003,694.47 and 2,175,129.66

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Solution

The fourth proportional to 2,181,428.22, 3,003,694.47 and 2,175,129.66 is: 2,995,021.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181,428.22 : 3,003,694.47 = 2,175,129.66 : x
  2. Step 2: Convert to fraction form
    2,181,428.22/3,003,694.47 = 2,175,129.66/x
  3. Step 3: Cross multiply
    2,181,428.22x = 3,003,694.47 × 2,175,129.66
  4. Step 4: Simplify right side
    2,181,428.22x = 6,533,424,931,274.98
  5. Step 5: Solve for x
    x = 6,533,424,931,274.98/2,181,428.22
  6. Step 6: Final answer
    x = 2,995,021.73

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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.