Home / 2,155,024.36-2,974,067.22-1,188,152.92

Finding the Fourth Proportional to 2,155,024.36, 2,974,067.22 and 1,188,152.92

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Solution

The fourth proportional to 2,155,024.36, 2,974,067.22 and 1,188,152.92 is: 1,639,724.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,024.36 : 2,974,067.22 = 1,188,152.92 : x
  2. Step 2: Convert to fraction form
    2,155,024.36/2,974,067.22 = 1,188,152.92/x
  3. Step 3: Cross multiply
    2,155,024.36x = 2,974,067.22 × 1,188,152.92
  4. Step 4: Simplify right side
    2,155,024.36x = 3,533,646,651,719.28
  5. Step 5: Solve for x
    x = 3,533,646,651,719.28/2,155,024.36
  6. Step 6: Final answer
    x = 1,639,724.69

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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.