Home / 2,640,353.69-3,963,084.75-1,275,084.32

Finding the Fourth Proportional to 2,640,353.69, 3,963,084.75 and 1,275,084.32

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Solution

The fourth proportional to 2,640,353.69, 3,963,084.75 and 1,275,084.32 is: 1,913,859.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,353.69 : 3,963,084.75 = 1,275,084.32 : x
  2. Step 2: Convert to fraction form
    2,640,353.69/3,963,084.75 = 1,275,084.32/x
  3. Step 3: Cross multiply
    2,640,353.69x = 3,963,084.75 × 1,275,084.32
  4. Step 4: Simplify right side
    2,640,353.69x = 5,053,267,203,740.70
  5. Step 5: Solve for x
    x = 5,053,267,203,740.70/2,640,353.69
  6. Step 6: Final answer
    x = 1,913,859.96

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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.