Home / 3,898,937.46-5,380,172.53-2,156,569.32

Finding the Fourth Proportional to 3,898,937.46, 5,380,172.53 and 2,156,569.32

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Solution

The fourth proportional to 3,898,937.46, 5,380,172.53 and 2,156,569.32 is: 2,975,865.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,898,937.46 : 5,380,172.53 = 2,156,569.32 : x
  2. Step 2: Convert to fraction form
    3,898,937.46/5,380,172.53 = 2,156,569.32/x
  3. Step 3: Cross multiply
    3,898,937.46x = 5,380,172.53 × 2,156,569.32
  4. Step 4: Simplify right side
    3,898,937.46x = 11,602,715,014,504.78
  5. Step 5: Solve for x
    x = 11,602,715,014,504.78/3,898,937.46
  6. Step 6: Final answer
    x = 2,975,865.90

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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.