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Finding the Fourth Proportional to 3,889,375.86, 5,834,063.78 and 1,049,483.46

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Solution

The fourth proportional to 3,889,375.86, 5,834,063.78 and 1,049,483.46 is: 1,574,225.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889,375.86 : 5,834,063.78 = 1,049,483.46 : x
  2. Step 2: Convert to fraction form
    3,889,375.86/5,834,063.78 = 1,049,483.46/x
  3. Step 3: Cross multiply
    3,889,375.86x = 5,834,063.78 × 1,049,483.46
  4. Step 4: Simplify right side
    3,889,375.86x = 6,122,753,444,318.79
  5. Step 5: Solve for x
    x = 6,122,753,444,318.79/3,889,375.86
  6. Step 6: Final answer
    x = 1,574,225.19

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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.