Home / 2,286,858.42-3,155,447.34-1,319,635.80

Finding the Fourth Proportional to 2,286,858.42, 3,155,447.34 and 1,319,635.80

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Solution

The fourth proportional to 2,286,858.42, 3,155,447.34 and 1,319,635.80 is: 1,820,856.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,286,858.42 : 3,155,447.34 = 1,319,635.80 : x
  2. Step 2: Convert to fraction form
    2,286,858.42/3,155,447.34 = 1,319,635.80/x
  3. Step 3: Cross multiply
    2,286,858.42x = 3,155,447.34 × 1,319,635.80
  4. Step 4: Simplify right side
    2,286,858.42x = 4,164,041,274,878.77
  5. Step 5: Solve for x
    x = 4,164,041,274,878.77/2,286,858.42
  6. Step 6: Final answer
    x = 1,820,856.61

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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.