Home / 2,613,951.20-3,920,926.80-1,038,015.20

Finding the Fourth Proportional to 2,613,951.20, 3,920,926.80 and 1,038,015.20

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Solution

The fourth proportional to 2,613,951.20, 3,920,926.80 and 1,038,015.20 is: 1,557,022.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,613,951.20 : 3,920,926.80 = 1,038,015.20 : x
  2. Step 2: Convert to fraction form
    2,613,951.20/3,920,926.80 = 1,038,015.20/x
  3. Step 3: Cross multiply
    2,613,951.20x = 3,920,926.80 × 1,038,015.20
  4. Step 4: Simplify right side
    2,613,951.20x = 4,069,981,616,487.36
  5. Step 5: Solve for x
    x = 4,069,981,616,487.36/2,613,951.20
  6. Step 6: Final answer
    x = 1,557,022.80

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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.