Home / 2,319,849-3,201,385.08-1,287,512.64

Finding the Fourth Proportional to 2,319,849, 3,201,385.08 and 1,287,512.64

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Solution

The fourth proportional to 2,319,849, 3,201,385.08 and 1,287,512.64 is: 1,776,763.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319,849 : 3,201,385.08 = 1,287,512.64 : x
  2. Step 2: Convert to fraction form
    2,319,849/3,201,385.08 = 1,287,512.64/x
  3. Step 3: Cross multiply
    2,319,849x = 3,201,385.08 × 1,287,512.64
  4. Step 4: Simplify right side
    2,319,849x = 4,121,823,756,007.41
  5. Step 5: Solve for x
    x = 4,121,823,756,007.41/2,319,849
  6. Step 6: Final answer
    x = 1,776,763.81

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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.