Home / 6,392,174.49-8,819,012.64-3,638,172.15

Finding the Fourth Proportional to 6,392,174.49, 8,819,012.64 and 3,638,172.15

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Solution

The fourth proportional to 6,392,174.49, 8,819,012.64 and 3,638,172.15 is: 5,019,432.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,392,174.49 : 8,819,012.64 = 3,638,172.15 : x
  2. Step 2: Convert to fraction form
    6,392,174.49/8,819,012.64 = 3,638,172.15/x
  3. Step 3: Cross multiply
    6,392,174.49x = 8,819,012.64 × 3,638,172.15
  4. Step 4: Simplify right side
    6,392,174.49x = 32,085,086,177,345.98
  5. Step 5: Solve for x
    x = 32,085,086,177,345.98/6,392,174.49
  6. Step 6: Final answer
    x = 5,019,432.16

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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.