Home / 6,501,391.92-8,971,986.78-3,922,574.40

Finding the Fourth Proportional to 6,501,391.92, 8,971,986.78 and 3,922,574.40

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Solution

The fourth proportional to 6,501,391.92, 8,971,986.78 and 3,922,574.40 is: 5,413,192.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,501,391.92 : 8,971,986.78 = 3,922,574.40 : x
  2. Step 2: Convert to fraction form
    6,501,391.92/8,971,986.78 = 3,922,574.40/x
  3. Step 3: Cross multiply
    6,501,391.92x = 8,971,986.78 × 3,922,574.40
  4. Step 4: Simplify right side
    6,501,391.92x = 35,193,285,660,366.43
  5. Step 5: Solve for x
    x = 35,193,285,660,366.43/6,501,391.92
  6. Step 6: Final answer
    x = 5,413,192.45

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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.