Home / 5,458,512.60-8,187,768.90-1,863,740.70

Finding the Fourth Proportional to 5,458,512.60, 8,187,768.90 and 1,863,740.70

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Solution

The fourth proportional to 5,458,512.60, 8,187,768.90 and 1,863,740.70 is: 2,795,611.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458,512.60 : 8,187,768.90 = 1,863,740.70 : x
  2. Step 2: Convert to fraction form
    5,458,512.60/8,187,768.90 = 1,863,740.70/x
  3. Step 3: Cross multiply
    5,458,512.60x = 8,187,768.90 × 1,863,740.70
  4. Step 4: Simplify right side
    5,458,512.60x = 15,259,878,141,124.23
  5. Step 5: Solve for x
    x = 15,259,878,141,124.23/5,458,512.60
  6. Step 6: Final answer
    x = 2,795,611.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.