Home / 5,213,511.48-7,821,491.22-1,619,092.92

Finding the Fourth Proportional to 5,213,511.48, 7,821,491.22 and 1,619,092.92

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Solution

The fourth proportional to 5,213,511.48, 7,821,491.22 and 1,619,092.92 is: 2,429,019.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213,511.48 : 7,821,491.22 = 1,619,092.92 : x
  2. Step 2: Convert to fraction form
    5,213,511.48/7,821,491.22 = 1,619,092.92/x
  3. Step 3: Cross multiply
    5,213,511.48x = 7,821,491.22 × 1,619,092.92
  4. Step 4: Simplify right side
    5,213,511.48x = 12,663,721,058,144.16
  5. Step 5: Solve for x
    x = 12,663,721,058,144.16/5,213,511.48
  6. Step 6: Final answer
    x = 2,429,019.50

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1.5x scale

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.