Home / 5,138,523-7,090,589.10-2,846,110.20

Finding the Fourth Proportional to 5,138,523, 7,090,589.10 and 2,846,110.20

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Solution

The fourth proportional to 5,138,523, 7,090,589.10 and 2,846,110.20 is: 3,927,314.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,138,523 : 7,090,589.10 = 2,846,110.20 : x
  2. Step 2: Convert to fraction form
    5,138,523/7,090,589.10 = 2,846,110.20/x
  3. Step 3: Cross multiply
    5,138,523x = 7,090,589.10 × 2,846,110.20
  4. Step 4: Simplify right side
    5,138,523x = 20,180,597,961,518.82
  5. Step 5: Solve for x
    x = 20,180,597,961,518.82/5,138,523
  6. Step 6: Final answer
    x = 3,927,314.90

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1.5x scale

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.