Home / 2,979,642-4,470,162.84-985,098

Finding the Fourth Proportional to 2,979,642, 4,470,162.84 and 985,098

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Solution

The fourth proportional to 2,979,642, 4,470,162.84 and 985,098 is: 1,477,878.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979,642 : 4,470,162.84 = 985,098 : x
  2. Step 2: Convert to fraction form
    2,979,642/4,470,162.84 = 985,098/x
  3. Step 3: Cross multiply
    2,979,642x = 4,470,162.84 × 985,098
  4. Step 4: Simplify right side
    2,979,642x = 4,403,548,473,358.32
  5. Step 5: Solve for x
    x = 4,403,548,473,358.32/2,979,642
  6. Step 6: Final answer
    x = 1,477,878.37

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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.