Home / 2,146,634.78-2,962,390.55-1,228,860.23

Finding the Fourth Proportional to 2,146,634.78, 2,962,390.55 and 1,228,860.23

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Solution

The fourth proportional to 2,146,634.78, 2,962,390.55 and 1,228,860.23 is: 1,695,846.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146,634.78 : 2,962,390.55 = 1,228,860.23 : x
  2. Step 2: Convert to fraction form
    2,146,634.78/2,962,390.55 = 1,228,860.23/x
  3. Step 3: Cross multiply
    2,146,634.78x = 2,962,390.55 × 1,228,860.23
  4. Step 4: Simplify right side
    2,146,634.78x = 3,640,363,911,666.57
  5. Step 5: Solve for x
    x = 3,640,363,911,666.57/2,146,634.78
  6. Step 6: Final answer
    x = 1,695,846.89

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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.