Home / 5,189,902.95-7,162,037.59-2,866,955.39

Finding the Fourth Proportional to 5,189,902.95, 7,162,037.59 and 2,866,955.39

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Solution

The fourth proportional to 5,189,902.95, 7,162,037.59 and 2,866,955.39 is: 3,956,382.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,189,902.95 : 7,162,037.59 = 2,866,955.39 : x
  2. Step 2: Convert to fraction form
    5,189,902.95/7,162,037.59 = 2,866,955.39/x
  3. Step 3: Cross multiply
    5,189,902.95x = 7,162,037.59 × 2,866,955.39
  4. Step 4: Simplify right side
    5,189,902.95x = 20,533,242,272,033.11
  5. Step 5: Solve for x
    x = 20,533,242,272,033.11/5,189,902.95
  6. Step 6: Final answer
    x = 3,956,382.71

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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.