Home / 2,140,851.06-2,954,415-1,173,923.68

Finding the Fourth Proportional to 2,140,851.06, 2,954,415 and 1,173,923.68

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Solution

The fourth proportional to 2,140,851.06, 2,954,415 and 1,173,923.68 is: 1,620,036.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,851.06 : 2,954,415 = 1,173,923.68 : x
  2. Step 2: Convert to fraction form
    2,140,851.06/2,954,415 = 1,173,923.68/x
  3. Step 3: Cross multiply
    2,140,851.06x = 2,954,415 × 1,173,923.68
  4. Step 4: Simplify right side
    2,140,851.06x = 3,468,257,729,047.20
  5. Step 5: Solve for x
    x = 3,468,257,729,047.20/2,140,851.06
  6. Step 6: Final answer
    x = 1,620,036.91

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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.