Home / 3,889,013.58-5,366,839.04-2,146,683.38

Finding the Fourth Proportional to 3,889,013.58, 5,366,839.04 and 2,146,683.38

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Solution

The fourth proportional to 3,889,013.58, 5,366,839.04 and 2,146,683.38 is: 2,962,423.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889,013.58 : 5,366,839.04 = 2,146,683.38 : x
  2. Step 2: Convert to fraction form
    3,889,013.58/5,366,839.04 = 2,146,683.38/x
  3. Step 3: Cross multiply
    3,889,013.58x = 5,366,839.04 × 2,146,683.38
  4. Step 4: Simplify right side
    3,889,013.58x = 11,520,904,170,303.15
  5. Step 5: Solve for x
    x = 11,520,904,170,303.15/3,889,013.58
  6. Step 6: Final answer
    x = 2,962,423.23

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1.5x scale

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.