Home / 2,270,283.81-3,131,064.12-1,918,388.61

Finding the Fourth Proportional to 2,270,283.81, 3,131,064.12 and 1,918,388.61

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Solution

The fourth proportional to 2,270,283.81, 3,131,064.12 and 1,918,388.61 is: 2,645,747.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270,283.81 : 3,131,064.12 = 1,918,388.61 : x
  2. Step 2: Convert to fraction form
    2,270,283.81/3,131,064.12 = 1,918,388.61/x
  3. Step 3: Cross multiply
    2,270,283.81x = 3,131,064.12 × 1,918,388.61
  4. Step 4: Simplify right side
    2,270,283.81x = 6,006,597,744,987.67
  5. Step 5: Solve for x
    x = 6,006,597,744,987.67/2,270,283.81
  6. Step 6: Final answer
    x = 2,645,747.51

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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.