Home / 2,255,341.59-3,112,178.94-1,275,232.57

Finding the Fourth Proportional to 2,255,341.59, 3,112,178.94 and 1,275,232.57

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Solution

The fourth proportional to 2,255,341.59, 3,112,178.94 and 1,275,232.57 is: 1,759,712.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255,341.59 : 3,112,178.94 = 1,275,232.57 : x
  2. Step 2: Convert to fraction form
    2,255,341.59/3,112,178.94 = 1,275,232.57/x
  3. Step 3: Cross multiply
    2,255,341.59x = 3,112,178.94 × 1,275,232.57
  4. Step 4: Simplify right side
    2,255,341.59x = 3,968,751,940,175.63
  5. Step 5: Solve for x
    x = 3,968,751,940,175.63/2,255,341.59
  6. Step 6: Final answer
    x = 1,759,712.12

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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.