Home / 2,117,015.07-3,175,043.82-979,152.90

Finding the Fourth Proportional to 2,117,015.07, 3,175,043.82 and 979,152.90

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Solution

The fourth proportional to 2,117,015.07, 3,175,043.82 and 979,152.90 is: 1,468,507.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117,015.07 : 3,175,043.82 = 979,152.90 : x
  2. Step 2: Convert to fraction form
    2,117,015.07/3,175,043.82 = 979,152.90/x
  3. Step 3: Cross multiply
    2,117,015.07x = 3,175,043.82 × 979,152.90
  4. Step 4: Simplify right side
    2,117,015.07x = 3,108,853,363,980.08
  5. Step 5: Solve for x
    x = 3,108,853,363,980.08/2,117,015.07
  6. Step 6: Final answer
    x = 1,468,507.90

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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.