Home / 2,979,057.36-4,465,086.82-1,378,238.96

Finding the Fourth Proportional to 2,979,057.36, 4,465,086.82 and 1,378,238.96

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Solution

The fourth proportional to 2,979,057.36, 4,465,086.82 and 1,378,238.96 is: 2,065,739.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979,057.36 : 4,465,086.82 = 1,378,238.96 : x
  2. Step 2: Convert to fraction form
    2,979,057.36/4,465,086.82 = 1,378,238.96/x
  3. Step 3: Cross multiply
    2,979,057.36x = 4,465,086.82 × 1,378,238.96
  4. Step 4: Simplify right side
    2,979,057.36x = 6,153,956,615,106.51
  5. Step 5: Solve for x
    x = 6,153,956,615,106.51/2,979,057.36
  6. Step 6: Final answer
    x = 2,065,739.55

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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.