Home / 3,911,972.84-5,398,442.09-2,169,361.02

Finding the Fourth Proportional to 3,911,972.84, 5,398,442.09 and 2,169,361.02

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Solution

The fourth proportional to 3,911,972.84, 5,398,442.09 and 2,169,361.02 is: 2,993,673.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911,972.84 : 5,398,442.09 = 2,169,361.02 : x
  2. Step 2: Convert to fraction form
    3,911,972.84/5,398,442.09 = 2,169,361.02/x
  3. Step 3: Cross multiply
    3,911,972.84x = 5,398,442.09 × 2,169,361.02
  4. Step 4: Simplify right side
    3,911,972.84x = 11,711,169,827,926.53
  5. Step 5: Solve for x
    x = 11,711,169,827,926.53/3,911,972.84
  6. Step 6: Final answer
    x = 2,993,673.60

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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.