Home / 2,693,121.40-4,039,682.10-987,261.40

Finding the Fourth Proportional to 2,693,121.40, 4,039,682.10 and 987,261.40

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Solution

The fourth proportional to 2,693,121.40, 4,039,682.10 and 987,261.40 is: 1,480,892.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,693,121.40 : 4,039,682.10 = 987,261.40 : x
  2. Step 2: Convert to fraction form
    2,693,121.40/4,039,682.10 = 987,261.40/x
  3. Step 3: Cross multiply
    2,693,121.40x = 4,039,682.10 × 987,261.40
  4. Step 4: Simplify right side
    2,693,121.40x = 3,988,222,205,600.94
  5. Step 5: Solve for x
    x = 3,988,222,205,600.94/2,693,121.40
  6. Step 6: Final answer
    x = 1,480,892.10

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.