Home / 2,172,003.10-3,258,004.65-1,376,809.90

Finding the Fourth Proportional to 2,172,003.10, 3,258,004.65 and 1,376,809.90

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Solution

The fourth proportional to 2,172,003.10, 3,258,004.65 and 1,376,809.90 is: 2,065,214.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,003.10 : 3,258,004.65 = 1,376,809.90 : x
  2. Step 2: Convert to fraction form
    2,172,003.10/3,258,004.65 = 1,376,809.90/x
  3. Step 3: Cross multiply
    2,172,003.10x = 3,258,004.65 × 1,376,809.90
  4. Step 4: Simplify right side
    2,172,003.10x = 4,485,653,056,366.03
  5. Step 5: Solve for x
    x = 4,485,653,056,366.03/2,172,003.10
  6. Step 6: Final answer
    x = 2,065,214.85

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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.