Home / 7,078,721-10,618,120.38-1,759,937

Finding the Fourth Proportional to 7,078,721, 10,618,120.38 and 1,759,937

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Solution

The fourth proportional to 7,078,721, 10,618,120.38 and 1,759,937 is: 2,639,915.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,078,721 : 10,618,120.38 = 1,759,937 : x
  2. Step 2: Convert to fraction form
    7,078,721/10,618,120.38 = 1,759,937/x
  3. Step 3: Cross multiply
    7,078,721x = 10,618,120.38 × 1,759,937
  4. Step 4: Simplify right side
    7,078,721x = 18,687,222,927,216.06
  5. Step 5: Solve for x
    x = 18,687,222,927,216.06/7,078,721
  6. Step 6: Final answer
    x = 2,639,915.17

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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.