Home / 2,911,806.54-4,018,322.25-1,605,105

Finding the Fourth Proportional to 2,911,806.54, 4,018,322.25 and 1,605,105

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Solution

The fourth proportional to 2,911,806.54, 4,018,322.25 and 1,605,105 is: 2,215,061.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911,806.54 : 4,018,322.25 = 1,605,105 : x
  2. Step 2: Convert to fraction form
    2,911,806.54/4,018,322.25 = 1,605,105/x
  3. Step 3: Cross multiply
    2,911,806.54x = 4,018,322.25 × 1,605,105
  4. Step 4: Simplify right side
    2,911,806.54x = 6,449,829,135,086.25
  5. Step 5: Solve for x
    x = 6,449,829,135,086.25/2,911,806.54
  6. Step 6: Final answer
    x = 2,215,061.01

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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.