Home / 3,871,935.45-5,343,275.34-2,153,019.06

Finding the Fourth Proportional to 3,871,935.45, 5,343,275.34 and 2,153,019.06

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Solution

The fourth proportional to 3,871,935.45, 5,343,275.34 and 2,153,019.06 is: 2,971,168.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,871,935.45 : 5,343,275.34 = 2,153,019.06 : x
  2. Step 2: Convert to fraction form
    3,871,935.45/5,343,275.34 = 2,153,019.06/x
  3. Step 3: Cross multiply
    3,871,935.45x = 5,343,275.34 × 2,153,019.06
  4. Step 4: Simplify right side
    3,871,935.45x = 11,504,173,649,847.98
  5. Step 5: Solve for x
    x = 11,504,173,649,847.98/3,871,935.45
  6. Step 6: Final answer
    x = 2,971,168.76

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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.