Home / 5,377,999.70-8,066,999.55-2,543,647.70

Finding the Fourth Proportional to 5,377,999.70, 8,066,999.55 and 2,543,647.70

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Solution

The fourth proportional to 5,377,999.70, 8,066,999.55 and 2,543,647.70 is: 3,815,471.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377,999.70 : 8,066,999.55 = 2,543,647.70 : x
  2. Step 2: Convert to fraction form
    5,377,999.70/8,066,999.55 = 2,543,647.70/x
  3. Step 3: Cross multiply
    5,377,999.70x = 8,066,999.55 × 2,543,647.70
  4. Step 4: Simplify right side
    5,377,999.70x = 20,519,604,851,258.54
  5. Step 5: Solve for x
    x = 20,519,604,851,258.54/5,377,999.70
  6. Step 6: Final answer
    x = 3,815,471.55

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1.5x scale

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.