Home / 3,428,150.32-5,138,599.96-1,267,787.28

Finding the Fourth Proportional to 3,428,150.32, 5,138,599.96 and 1,267,787.28

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Solution

The fourth proportional to 3,428,150.32, 5,138,599.96 and 1,267,787.28 is: 1,900,340.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428,150.32 : 5,138,599.96 = 1,267,787.28 : x
  2. Step 2: Convert to fraction form
    3,428,150.32/5,138,599.96 = 1,267,787.28/x
  3. Step 3: Cross multiply
    3,428,150.32x = 5,138,599.96 × 1,267,787.28
  4. Step 4: Simplify right side
    3,428,150.32x = 6,514,651,666,296.51
  5. Step 5: Solve for x
    x = 6,514,651,666,296.51/3,428,150.32
  6. Step 6: Final answer
    x = 1,900,340.14

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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.