Home / 5,109,966.20-7,051,759.76-2,786,862.51

Finding the Fourth Proportional to 5,109,966.20, 7,051,759.76 and 2,786,862.51

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Solution

The fourth proportional to 5,109,966.20, 7,051,759.76 and 2,786,862.51 is: 3,845,873.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,109,966.20 : 7,051,759.76 = 2,786,862.51 : x
  2. Step 2: Convert to fraction form
    5,109,966.20/7,051,759.76 = 2,786,862.51/x
  3. Step 3: Cross multiply
    5,109,966.20x = 7,051,759.76 × 2,786,862.51
  4. Step 4: Simplify right side
    5,109,966.20x = 19,652,284,911,637.75
  5. Step 5: Solve for x
    x = 19,652,284,911,637.75/5,109,966.20
  6. Step 6: Final answer
    x = 3,845,873.76

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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.