Home / 4,431,487.60-6,120,497.42-2,978,660.77

Finding the Fourth Proportional to 4,431,487.60, 6,120,497.42 and 2,978,660.77

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Solution

The fourth proportional to 4,431,487.60, 6,120,497.42 and 2,978,660.77 is: 4,113,942.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431,487.60 : 6,120,497.42 = 2,978,660.77 : x
  2. Step 2: Convert to fraction form
    4,431,487.60/6,120,497.42 = 2,978,660.77/x
  3. Step 3: Cross multiply
    4,431,487.60x = 6,120,497.42 × 2,978,660.77
  4. Step 4: Simplify right side
    4,431,487.60x = 18,230,885,549,345.09
  5. Step 5: Solve for x
    x = 18,230,885,549,345.09/4,431,487.60
  6. Step 6: Final answer
    x = 4,113,942.58

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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.