Home / 6,991,821.30-10,487,731.95-2,200,979.10

Finding the Fourth Proportional to 6,991,821.30, 10,487,731.95 and 2,200,979.10

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Solution

The fourth proportional to 6,991,821.30, 10,487,731.95 and 2,200,979.10 is: 3,301,468.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,991,821.30 : 10,487,731.95 = 2,200,979.10 : x
  2. Step 2: Convert to fraction form
    6,991,821.30/10,487,731.95 = 2,200,979.10/x
  3. Step 3: Cross multiply
    6,991,821.30x = 10,487,731.95 × 2,200,979.10
  4. Step 4: Simplify right side
    6,991,821.30x = 23,083,278,828,352.25
  5. Step 5: Solve for x
    x = 23,083,278,828,352.25/6,991,821.30
  6. Step 6: Final answer
    x = 3,301,468.65

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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.