Home / 2,118,935.46-3,180,400.65-772,399.56

Finding the Fourth Proportional to 2,118,935.46, 3,180,400.65 and 772,399.56

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Solution

The fourth proportional to 2,118,935.46, 3,180,400.65 and 772,399.56 is: 1,159,327.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,935.46 : 3,180,400.65 = 772,399.56 : x
  2. Step 2: Convert to fraction form
    2,118,935.46/3,180,400.65 = 772,399.56/x
  3. Step 3: Cross multiply
    2,118,935.46x = 3,180,400.65 × 772,399.56
  4. Step 4: Simplify right side
    2,118,935.46x = 2,456,540,062,683.71
  5. Step 5: Solve for x
    x = 2,456,540,062,683.71/2,118,935.46
  6. Step 6: Final answer
    x = 1,159,327.46

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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.