Home / 3,896,218.40-5,376,765.84-2,177,338.40

Finding the Fourth Proportional to 3,896,218.40, 5,376,765.84 and 2,177,338.40

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Solution

The fourth proportional to 3,896,218.40, 5,376,765.84 and 2,177,338.40 is: 3,004,718.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,896,218.40 : 5,376,765.84 = 2,177,338.40 : x
  2. Step 2: Convert to fraction form
    3,896,218.40/5,376,765.84 = 2,177,338.40/x
  3. Step 3: Cross multiply
    3,896,218.40x = 5,376,765.84 × 2,177,338.40
  4. Step 4: Simplify right side
    3,896,218.40x = 11,707,038,731,240.26
  5. Step 5: Solve for x
    x = 11,707,038,731,240.26/3,896,218.40
  6. Step 6: Final answer
    x = 3,004,718.30

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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.