Home / 3,145,984.46-4,718,209.88-871,449.79

Finding the Fourth Proportional to 3,145,984.46, 4,718,209.88 and 871,449.79

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Solution

The fourth proportional to 3,145,984.46, 4,718,209.88 and 871,449.79 is: 1,306,962.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145,984.46 : 4,718,209.88 = 871,449.79 : x
  2. Step 2: Convert to fraction form
    3,145,984.46/4,718,209.88 = 871,449.79/x
  3. Step 3: Cross multiply
    3,145,984.46x = 4,718,209.88 × 871,449.79
  4. Step 4: Simplify right side
    3,145,984.46x = 4,111,683,005,880.72
  5. Step 5: Solve for x
    x = 4,111,683,005,880.72/3,145,984.46
  6. Step 6: Final answer
    x = 1,306,962.27

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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.