Home / 2,122,771.64-2,929,336.88-1,155,899.61

Finding the Fourth Proportional to 2,122,771.64, 2,929,336.88 and 1,155,899.61

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Solution

The fourth proportional to 2,122,771.64, 2,929,336.88 and 1,155,899.61 is: 1,595,093.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122,771.64 : 2,929,336.88 = 1,155,899.61 : x
  2. Step 2: Convert to fraction form
    2,122,771.64/2,929,336.88 = 1,155,899.61/x
  3. Step 3: Cross multiply
    2,122,771.64x = 2,929,336.88 × 1,155,899.61
  4. Step 4: Simplify right side
    2,122,771.64x = 3,386,019,351,371.12
  5. Step 5: Solve for x
    x = 3,386,019,351,371.12/2,122,771.64
  6. Step 6: Final answer
    x = 1,595,093.55

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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.