Home / 5,138,110.72-7,090,499.84-2,846,264.32

Finding the Fourth Proportional to 5,138,110.72, 7,090,499.84 and 2,846,264.32

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Solution

The fourth proportional to 5,138,110.72, 7,090,499.84 and 2,846,264.32 is: 3,927,793.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,138,110.72 : 7,090,499.84 = 2,846,264.32 : x
  2. Step 2: Convert to fraction form
    5,138,110.72/7,090,499.84 = 2,846,264.32/x
  3. Step 3: Cross multiply
    5,138,110.72x = 7,090,499.84 × 2,846,264.32
  4. Step 4: Simplify right side
    5,138,110.72x = 20,181,436,705,557.71
  5. Step 5: Solve for x
    x = 20,181,436,705,557.71/5,138,110.72
  6. Step 6: Final answer
    x = 3,927,793.27

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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.