Home / 2,188,041.28-3,019,292.32-1,270,026.88

Finding the Fourth Proportional to 2,188,041.28, 3,019,292.32 and 1,270,026.88

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Solution

The fourth proportional to 2,188,041.28, 3,019,292.32 and 1,270,026.88 is: 1,752,518.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,041.28 : 3,019,292.32 = 1,270,026.88 : x
  2. Step 2: Convert to fraction form
    2,188,041.28/3,019,292.32 = 1,270,026.88/x
  3. Step 3: Cross multiply
    2,188,041.28x = 3,019,292.32 × 1,270,026.88
  4. Step 4: Simplify right side
    2,188,041.28x = 3,834,582,404,977.56
  5. Step 5: Solve for x
    x = 3,834,582,404,977.56/2,188,041.28
  6. Step 6: Final answer
    x = 1,752,518.31

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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.