Home / 4,431,491.55-6,120,502.85-2,978,664.71

Finding the Fourth Proportional to 4,431,491.55, 6,120,502.85 and 2,978,664.71

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Solution

The fourth proportional to 4,431,491.55, 6,120,502.85 and 2,978,664.71 is: 4,113,948.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431,491.55 : 6,120,502.85 = 2,978,664.71 : x
  2. Step 2: Convert to fraction form
    4,431,491.55/6,120,502.85 = 2,978,664.71/x
  3. Step 3: Cross multiply
    4,431,491.55x = 6,120,502.85 × 2,978,664.71
  4. Step 4: Simplify right side
    4,431,491.55x = 18,230,925,823,593.57
  5. Step 5: Solve for x
    x = 18,230,925,823,593.57/4,431,491.55
  6. Step 6: Final answer
    x = 4,113,948.01

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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.