Home / 1,995,915.12-2,754,364.05-1,078,144.35

Finding the Fourth Proportional to 1,995,915.12, 2,754,364.05 and 1,078,144.35

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Solution

The fourth proportional to 1,995,915.12, 2,754,364.05 and 1,078,144.35 is: 1,487,839.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,915.12 : 2,754,364.05 = 1,078,144.35 : x
  2. Step 2: Convert to fraction form
    1,995,915.12/2,754,364.05 = 1,078,144.35/x
  3. Step 3: Cross multiply
    1,995,915.12x = 2,754,364.05 × 1,078,144.35
  4. Step 4: Simplify right side
    1,995,915.12x = 2,969,602,038,350.62
  5. Step 5: Solve for x
    x = 2,969,602,038,350.62/1,995,915.12
  6. Step 6: Final answer
    x = 1,487,839.84

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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.