Home / 2,091,428.40-3,139,216.20-1,027,671.60

Finding the Fourth Proportional to 2,091,428.40, 3,139,216.20 and 1,027,671.60

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Solution

The fourth proportional to 2,091,428.40, 3,139,216.20 and 1,027,671.60 is: 1,542,526.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,091,428.40 : 3,139,216.20 = 1,027,671.60 : x
  2. Step 2: Convert to fraction form
    2,091,428.40/3,139,216.20 = 1,027,671.60/x
  3. Step 3: Cross multiply
    2,091,428.40x = 3,139,216.20 × 1,027,671.60
  4. Step 4: Simplify right side
    2,091,428.40x = 3,226,083,334,999.92
  5. Step 5: Solve for x
    x = 3,226,083,334,999.92/2,091,428.40
  6. Step 6: Final answer
    x = 1,542,526.31

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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.