Home / 2,691,386.12-4,037,858.40-798,173.12

Finding the Fourth Proportional to 2,691,386.12, 4,037,858.40 and 798,173.12

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Solution

The fourth proportional to 2,691,386.12, 4,037,858.40 and 798,173.12 is: 1,197,490.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691,386.12 : 4,037,858.40 = 798,173.12 : x
  2. Step 2: Convert to fraction form
    2,691,386.12/4,037,858.40 = 798,173.12/x
  3. Step 3: Cross multiply
    2,691,386.12x = 4,037,858.40 × 798,173.12
  4. Step 4: Simplify right side
    2,691,386.12x = 3,222,910,050,334.00
  5. Step 5: Solve for x
    x = 3,222,910,050,334.00/2,691,386.12
  6. Step 6: Final answer
    x = 1,197,490.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.