Home / 2,111,881.73-2,914,418.45-1,145,013.89

Finding the Fourth Proportional to 2,111,881.73, 2,914,418.45 and 1,145,013.89

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Solution

The fourth proportional to 2,111,881.73, 2,914,418.45 and 1,145,013.89 is: 1,580,130.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,111,881.73 : 2,914,418.45 = 1,145,013.89 : x
  2. Step 2: Convert to fraction form
    2,111,881.73/2,914,418.45 = 1,145,013.89/x
  3. Step 3: Cross multiply
    2,111,881.73x = 2,914,418.45 × 1,145,013.89
  4. Step 4: Simplify right side
    2,111,881.73x = 3,337,049,600,797.20
  5. Step 5: Solve for x
    x = 3,337,049,600,797.20/2,111,881.73
  6. Step 6: Final answer
    x = 1,580,130.91

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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.