Home / 3,821,746.05-5,273,407.40-2,189,839.46

Finding the Fourth Proportional to 3,821,746.05, 5,273,407.40 and 2,189,839.46

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Solution

The fourth proportional to 3,821,746.05, 5,273,407.40 and 2,189,839.46 is: 3,021,633.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821,746.05 : 5,273,407.40 = 2,189,839.46 : x
  2. Step 2: Convert to fraction form
    3,821,746.05/5,273,407.40 = 2,189,839.46/x
  3. Step 3: Cross multiply
    3,821,746.05x = 5,273,407.40 × 2,189,839.46
  4. Step 4: Simplify right side
    3,821,746.05x = 11,547,915,575,859.77
  5. Step 5: Solve for x
    x = 11,547,915,575,859.77/3,821,746.05
  6. Step 6: Final answer
    x = 3,021,633.42

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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.