Home / 4,188,781.60-6,286,282.80-1,666,247.20

Finding the Fourth Proportional to 4,188,781.60, 6,286,282.80 and 1,666,247.20

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Solution

The fourth proportional to 4,188,781.60, 6,286,282.80 and 1,666,247.20 is: 2,500,608.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188,781.60 : 6,286,282.80 = 1,666,247.20 : x
  2. Step 2: Convert to fraction form
    4,188,781.60/6,286,282.80 = 1,666,247.20/x
  3. Step 3: Cross multiply
    4,188,781.60x = 6,286,282.80 × 1,666,247.20
  4. Step 4: Simplify right side
    4,188,781.60x = 10,474,501,113,908.16
  5. Step 5: Solve for x
    x = 10,474,501,113,908.16/4,188,781.60
  6. Step 6: Final answer
    x = 2,500,608.08

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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.