Home / 2,040,740.10-2,820,105.45-1,530,556.74

Finding the Fourth Proportional to 2,040,740.10, 2,820,105.45 and 1,530,556.74

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Solution

The fourth proportional to 2,040,740.10, 2,820,105.45 and 1,530,556.74 is: 2,115,081.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040,740.10 : 2,820,105.45 = 1,530,556.74 : x
  2. Step 2: Convert to fraction form
    2,040,740.10/2,820,105.45 = 1,530,556.74/x
  3. Step 3: Cross multiply
    2,040,740.10x = 2,820,105.45 × 1,530,556.74
  4. Step 4: Simplify right side
    2,040,740.10x = 4,316,331,404,008.23
  5. Step 5: Solve for x
    x = 4,316,331,404,008.23/2,040,740.10
  6. Step 6: Final answer
    x = 2,115,081.39

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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.