Home / 2,155,512.12-2,974,606.92-1,237,801.56

Finding the Fourth Proportional to 2,155,512.12, 2,974,606.92 and 1,237,801.56

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Solution

The fourth proportional to 2,155,512.12, 2,974,606.92 and 1,237,801.56 is: 1,708,166.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,512.12 : 2,974,606.92 = 1,237,801.56 : x
  2. Step 2: Convert to fraction form
    2,155,512.12/2,974,606.92 = 1,237,801.56/x
  3. Step 3: Cross multiply
    2,155,512.12x = 2,974,606.92 × 1,237,801.56
  4. Step 4: Simplify right side
    2,155,512.12x = 3,681,973,085,962.80
  5. Step 5: Solve for x
    x = 3,681,973,085,962.80/2,155,512.12
  6. Step 6: Final answer
    x = 1,708,166.26

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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.