Home / 3,587,432.82-5,378,307.48-1,789,390.76

Finding the Fourth Proportional to 3,587,432.82, 5,378,307.48 and 1,789,390.76

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Solution

The fourth proportional to 3,587,432.82, 5,378,307.48 and 1,789,390.76 is: 2,682,668.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587,432.82 : 5,378,307.48 = 1,789,390.76 : x
  2. Step 2: Convert to fraction form
    3,587,432.82/5,378,307.48 = 1,789,390.76/x
  3. Step 3: Cross multiply
    3,587,432.82x = 5,378,307.48 × 1,789,390.76
  4. Step 4: Simplify right side
    3,587,432.82x = 9,623,893,709,150.89
  5. Step 5: Solve for x
    x = 9,623,893,709,150.89/3,587,432.82
  6. Step 6: Final answer
    x = 2,682,668.69

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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.