Home / 3,110,945.28-4,293,409.28-1,821,706.24

Finding the Fourth Proportional to 3,110,945.28, 4,293,409.28 and 1,821,706.24

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Solution

The fourth proportional to 3,110,945.28, 4,293,409.28 and 1,821,706.24 is: 2,514,133.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110,945.28 : 4,293,409.28 = 1,821,706.24 : x
  2. Step 2: Convert to fraction form
    3,110,945.28/4,293,409.28 = 1,821,706.24/x
  3. Step 3: Cross multiply
    3,110,945.28x = 4,293,409.28 × 1,821,706.24
  4. Step 4: Simplify right side
    3,110,945.28x = 7,821,330,476,249.91
  5. Step 5: Solve for x
    x = 7,821,330,476,249.91/3,110,945.28
  6. Step 6: Final answer
    x = 2,514,133.09

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1.5x scale

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.