Home / 3,862,757.61-5,330,854.62-2,143,878.17

Finding the Fourth Proportional to 3,862,757.61, 5,330,854.62 and 2,143,878.17

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Solution

The fourth proportional to 3,862,757.61, 5,330,854.62 and 2,143,878.17 is: 2,958,690.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862,757.61 : 5,330,854.62 = 2,143,878.17 : x
  2. Step 2: Convert to fraction form
    3,862,757.61/5,330,854.62 = 2,143,878.17/x
  3. Step 3: Cross multiply
    3,862,757.61x = 5,330,854.62 × 2,143,878.17
  4. Step 4: Simplify right side
    3,862,757.61x = 11,428,702,820,607.37
  5. Step 5: Solve for x
    x = 11,428,702,820,607.37/3,862,757.61
  6. Step 6: Final answer
    x = 2,958,690.13

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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.