Home / 2,138,022.40-3,207,033.60-1,018,278.40

Finding the Fourth Proportional to 2,138,022.40, 3,207,033.60 and 1,018,278.40

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Solution

The fourth proportional to 2,138,022.40, 3,207,033.60 and 1,018,278.40 is: 1,527,417.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,022.40 : 3,207,033.60 = 1,018,278.40 : x
  2. Step 2: Convert to fraction form
    2,138,022.40/3,207,033.60 = 1,018,278.40/x
  3. Step 3: Cross multiply
    2,138,022.40x = 3,207,033.60 × 1,018,278.40
  4. Step 4: Simplify right side
    2,138,022.40x = 3,265,653,042,954.24
  5. Step 5: Solve for x
    x = 3,265,653,042,954.24/2,138,022.40
  6. Step 6: Final answer
    x = 1,527,417.60

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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.