Home / 2,789,009.68-3,848,671.56-1,565,200.90

Finding the Fourth Proportional to 2,789,009.68, 3,848,671.56 and 1,565,200.90

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Solution

The fourth proportional to 2,789,009.68, 3,848,671.56 and 1,565,200.90 is: 2,159,886.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789,009.68 : 3,848,671.56 = 1,565,200.90 : x
  2. Step 2: Convert to fraction form
    2,789,009.68/3,848,671.56 = 1,565,200.90/x
  3. Step 3: Cross multiply
    2,789,009.68x = 3,848,671.56 × 1,565,200.90
  4. Step 4: Simplify right side
    2,789,009.68x = 6,023,944,189,516.40
  5. Step 5: Solve for x
    x = 6,023,944,189,516.40/2,789,009.68
  6. Step 6: Final answer
    x = 2,159,886.44

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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.