Home / 1,871,475.32-2,807,186.90-451,519.48

Finding the Fourth Proportional to 1,871,475.32, 2,807,186.90 and 451,519.48

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Solution

The fourth proportional to 1,871,475.32, 2,807,186.90 and 451,519.48 is: 677,272.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,475.32 : 2,807,186.90 = 451,519.48 : x
  2. Step 2: Convert to fraction form
    1,871,475.32/2,807,186.90 = 451,519.48/x
  3. Step 3: Cross multiply
    1,871,475.32x = 2,807,186.90 × 451,519.48
  4. Step 4: Simplify right side
    1,871,475.32x = 1,267,499,569,350.81
  5. Step 5: Solve for x
    x = 1,267,499,569,350.81/1,871,475.32
  6. Step 6: Final answer
    x = 677,272.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.