Home / 2,486,806.47-3,431,548.64-1,399,054.64

Finding the Fourth Proportional to 2,486,806.47, 3,431,548.64 and 1,399,054.64

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Solution

The fourth proportional to 2,486,806.47, 3,431,548.64 and 1,399,054.64 is: 1,930,557.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486,806.47 : 3,431,548.64 = 1,399,054.64 : x
  2. Step 2: Convert to fraction form
    2,486,806.47/3,431,548.64 = 1,399,054.64/x
  3. Step 3: Cross multiply
    2,486,806.47x = 3,431,548.64 × 1,399,054.64
  4. Step 4: Simplify right side
    2,486,806.47x = 4,800,924,023,024.67
  5. Step 5: Solve for x
    x = 4,800,924,023,024.67/2,486,806.47
  6. Step 6: Final answer
    x = 1,930,557.96

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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.