Home / 2,159,955.37-2,980,708.14-1,179,882.78

Finding the Fourth Proportional to 2,159,955.37, 2,980,708.14 and 1,179,882.78

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Solution

The fourth proportional to 2,159,955.37, 2,980,708.14 and 1,179,882.78 is: 1,628,221.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159,955.37 : 2,980,708.14 = 1,179,882.78 : x
  2. Step 2: Convert to fraction form
    2,159,955.37/2,980,708.14 = 1,179,882.78/x
  3. Step 3: Cross multiply
    2,159,955.37x = 2,980,708.14 × 1,179,882.78
  4. Step 4: Simplify right side
    2,159,955.37x = 3,516,886,206,591.83
  5. Step 5: Solve for x
    x = 3,516,886,206,591.83/2,159,955.37
  6. Step 6: Final answer
    x = 1,628,221.70

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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.