Home / 3,760,453.45-5,189,746.95-2,129,148.28

Finding the Fourth Proportional to 3,760,453.45, 5,189,746.95 and 2,129,148.28

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Solution

The fourth proportional to 3,760,453.45, 5,189,746.95 and 2,129,148.28 is: 2,938,406.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,760,453.45 : 5,189,746.95 = 2,129,148.28 : x
  2. Step 2: Convert to fraction form
    3,760,453.45/5,189,746.95 = 2,129,148.28/x
  3. Step 3: Cross multiply
    3,760,453.45x = 5,189,746.95 × 2,129,148.28
  4. Step 4: Simplify right side
    3,760,453.45x = 11,049,740,792,227.75
  5. Step 5: Solve for x
    x = 11,049,740,792,227.75/3,760,453.45
  6. Step 6: Final answer
    x = 2,938,406.48

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1.5x scale

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.