Home / 2,890,630.53-3,988,912.59-1,601,394.03

Finding the Fourth Proportional to 2,890,630.53, 3,988,912.59 and 1,601,394.03

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Solution

The fourth proportional to 2,890,630.53, 3,988,912.59 and 1,601,394.03 is: 2,209,836.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890,630.53 : 3,988,912.59 = 1,601,394.03 : x
  2. Step 2: Convert to fraction form
    2,890,630.53/3,988,912.59 = 1,601,394.03/x
  3. Step 3: Cross multiply
    2,890,630.53x = 3,988,912.59 × 1,601,394.03
  4. Step 4: Simplify right side
    2,890,630.53x = 6,387,820,807,817.84
  5. Step 5: Solve for x
    x = 6,387,820,807,817.84/2,890,630.53
  6. Step 6: Final answer
    x = 2,209,836.48

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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.