Home / 6,638,979.69-9,162,665.04-3,738,937.50

Finding the Fourth Proportional to 6,638,979.69, 9,162,665.04 and 3,738,937.50

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Solution

The fourth proportional to 6,638,979.69, 9,162,665.04 and 3,738,937.50 is: 5,160,225.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,638,979.69 : 9,162,665.04 = 3,738,937.50 : x
  2. Step 2: Convert to fraction form
    6,638,979.69/9,162,665.04 = 3,738,937.50/x
  3. Step 3: Cross multiply
    6,638,979.69x = 9,162,665.04 × 3,738,937.50
  4. Step 4: Simplify right side
    6,638,979.69x = 34,258,631,917,995.00
  5. Step 5: Solve for x
    x = 34,258,631,917,995.00/6,638,979.69
  6. Step 6: Final answer
    x = 5,160,225.44

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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.