Home / 5,154,424.20-7,112,690.57-2,979,108.25

Finding the Fourth Proportional to 5,154,424.20, 7,112,690.57 and 2,979,108.25

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Solution

The fourth proportional to 5,154,424.20, 7,112,690.57 and 2,979,108.25 is: 4,110,929.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154,424.20 : 7,112,690.57 = 2,979,108.25 : x
  2. Step 2: Convert to fraction form
    5,154,424.20/7,112,690.57 = 2,979,108.25/x
  3. Step 3: Cross multiply
    5,154,424.20x = 7,112,690.57 × 2,979,108.25
  4. Step 4: Simplify right side
    5,154,424.20x = 21,189,475,159,786.54
  5. Step 5: Solve for x
    x = 21,189,475,159,786.54/5,154,424.20
  6. Step 6: Final answer
    x = 4,110,929.63

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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.