Home / 2,871,616.50-3,962,856.78-1,582,503.12

Finding the Fourth Proportional to 2,871,616.50, 3,962,856.78 and 1,582,503.12

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Solution

The fourth proportional to 2,871,616.50, 3,962,856.78 and 1,582,503.12 is: 2,183,868.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,871,616.50 : 3,962,856.78 = 1,582,503.12 : x
  2. Step 2: Convert to fraction form
    2,871,616.50/3,962,856.78 = 1,582,503.12/x
  3. Step 3: Cross multiply
    2,871,616.50x = 3,962,856.78 × 1,582,503.12
  4. Step 4: Simplify right side
    2,871,616.50x = 6,271,233,218,463.15
  5. Step 5: Solve for x
    x = 6,271,233,218,463.15/2,871,616.50
  6. Step 6: Final answer
    x = 2,183,868.64

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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.