Home / 3,442,557.28-5,159,111.76-2,178,121.36

Finding the Fourth Proportional to 3,442,557.28, 5,159,111.76 and 2,178,121.36

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Solution

The fourth proportional to 3,442,557.28, 5,159,111.76 and 2,178,121.36 is: 3,264,193.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442,557.28 : 5,159,111.76 = 2,178,121.36 : x
  2. Step 2: Convert to fraction form
    3,442,557.28/5,159,111.76 = 2,178,121.36/x
  3. Step 3: Cross multiply
    3,442,557.28x = 5,159,111.76 × 2,178,121.36
  4. Step 4: Simplify right side
    3,442,557.28x = 11,237,171,523,083.19
  5. Step 5: Solve for x
    x = 11,237,171,523,083.19/3,442,557.28
  6. Step 6: Final answer
    x = 3,264,193.04

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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.