Home / 2,890,410.52-3,988,475.79-1,601,009.98

Finding the Fourth Proportional to 2,890,410.52, 3,988,475.79 and 1,601,009.98

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Solution

The fourth proportional to 2,890,410.52, 3,988,475.79 and 1,601,009.98 is: 2,209,232.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890,410.52 : 3,988,475.79 = 1,601,009.98 : x
  2. Step 2: Convert to fraction form
    2,890,410.52/3,988,475.79 = 1,601,009.98/x
  3. Step 3: Cross multiply
    2,890,410.52x = 3,988,475.79 × 1,601,009.98
  4. Step 4: Simplify right side
    2,890,410.52x = 6,385,589,544,778.38
  5. Step 5: Solve for x
    x = 6,385,589,544,778.38/2,890,410.52
  6. Step 6: Final answer
    x = 2,209,232.74

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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.