Home / 2,121,791.90-3,182,690.48-524,330.55

Finding the Fourth Proportional to 2,121,791.90, 3,182,690.48 and 524,330.55

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Solution

The fourth proportional to 2,121,791.90, 3,182,690.48 and 524,330.55 is: 786,496.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,791.90 : 3,182,690.48 = 524,330.55 : x
  2. Step 2: Convert to fraction form
    2,121,791.90/3,182,690.48 = 524,330.55/x
  3. Step 3: Cross multiply
    2,121,791.90x = 3,182,690.48 × 524,330.55
  4. Step 4: Simplify right side
    2,121,791.90x = 1,668,781,847,236.51
  5. Step 5: Solve for x
    x = 1,668,781,847,236.51/2,121,791.90
  6. Step 6: Final answer
    x = 786,496.48

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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.