Home / 3,422,590.54-4,721,790.68-1,971,508.74

Finding the Fourth Proportional to 3,422,590.54, 4,721,790.68 and 1,971,508.74

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Solution

The fourth proportional to 3,422,590.54, 4,721,790.68 and 1,971,508.74 is: 2,719,884.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422,590.54 : 4,721,790.68 = 1,971,508.74 : x
  2. Step 2: Convert to fraction form
    3,422,590.54/4,721,790.68 = 1,971,508.74/x
  3. Step 3: Cross multiply
    3,422,590.54x = 4,721,790.68 × 1,971,508.74
  4. Step 4: Simplify right side
    3,422,590.54x = 9,309,051,594,070.54
  5. Step 5: Solve for x
    x = 9,309,051,594,070.54/3,422,590.54
  6. Step 6: Final answer
    x = 2,719,884.69

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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.