Home / 2,800,019.70-4,200,901.38-1,002,918.69

Finding the Fourth Proportional to 2,800,019.70, 4,200,901.38 and 1,002,918.69

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Solution

The fourth proportional to 2,800,019.70, 4,200,901.38 and 1,002,918.69 is: 1,504,690.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,800,019.70 : 4,200,901.38 = 1,002,918.69 : x
  2. Step 2: Convert to fraction form
    2,800,019.70/4,200,901.38 = 1,002,918.69/x
  3. Step 3: Cross multiply
    2,800,019.70x = 4,200,901.38 × 1,002,918.69
  4. Step 4: Simplify right side
    2,800,019.70x = 4,213,162,508,848.79
  5. Step 5: Solve for x
    x = 4,213,162,508,848.79/2,800,019.70
  6. Step 6: Final answer
    x = 1,504,690.31

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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.