Home / 2,810,759.79-3,878,849.81-1,521,600.18

Finding the Fourth Proportional to 2,810,759.79, 3,878,849.81 and 1,521,600.18

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Solution

The fourth proportional to 2,810,759.79, 3,878,849.81 and 1,521,600.18 is: 2,099,808.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,759.79 : 3,878,849.81 = 1,521,600.18 : x
  2. Step 2: Convert to fraction form
    2,810,759.79/3,878,849.81 = 1,521,600.18/x
  3. Step 3: Cross multiply
    2,810,759.79x = 3,878,849.81 × 1,521,600.18
  4. Step 4: Simplify right side
    2,810,759.79x = 5,902,058,558,147.81
  5. Step 5: Solve for x
    x = 5,902,058,558,147.81/2,810,759.79
  6. Step 6: Final answer
    x = 2,099,808.95

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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.