Home / 2,177,515.81-3,005,140.15-1,306,383.14

Finding the Fourth Proportional to 2,177,515.81, 3,005,140.15 and 1,306,383.14

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Solution

The fourth proportional to 2,177,515.81, 3,005,140.15 and 1,306,383.14 is: 1,802,909.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,515.81 : 3,005,140.15 = 1,306,383.14 : x
  2. Step 2: Convert to fraction form
    2,177,515.81/3,005,140.15 = 1,306,383.14/x
  3. Step 3: Cross multiply
    2,177,515.81x = 3,005,140.15 × 1,306,383.14
  4. Step 4: Simplify right side
    2,177,515.81x = 3,925,864,410,190.58
  5. Step 5: Solve for x
    x = 3,925,864,410,190.58/2,177,515.81
  6. Step 6: Final answer
    x = 1,802,909.71

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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.