Home / 2,172,838.62-2,998,888.38-1,254,902.76

Finding the Fourth Proportional to 2,172,838.62, 2,998,888.38 and 1,254,902.76

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Solution

The fourth proportional to 2,172,838.62, 2,998,888.38 and 1,254,902.76 is: 1,731,980.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,838.62 : 2,998,888.38 = 1,254,902.76 : x
  2. Step 2: Convert to fraction form
    2,172,838.62/2,998,888.38 = 1,254,902.76/x
  3. Step 3: Cross multiply
    2,172,838.62x = 2,998,888.38 × 1,254,902.76
  4. Step 4: Simplify right side
    2,172,838.62x = 3,763,313,304,993.93
  5. Step 5: Solve for x
    x = 3,763,313,304,993.93/2,172,838.62
  6. Step 6: Final answer
    x = 1,731,980.13

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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.