Home / 1,871,367.71-2,582,490.20-1,011,928.01

Finding the Fourth Proportional to 1,871,367.71, 2,582,490.20 and 1,011,928.01

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Solution

The fourth proportional to 1,871,367.71, 2,582,490.20 and 1,011,928.01 is: 1,396,462.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,367.71 : 2,582,490.20 = 1,011,928.01 : x
  2. Step 2: Convert to fraction form
    1,871,367.71/2,582,490.20 = 1,011,928.01/x
  3. Step 3: Cross multiply
    1,871,367.71x = 2,582,490.20 × 1,011,928.01
  4. Step 4: Simplify right side
    1,871,367.71x = 2,613,294,150,958.41
  5. Step 5: Solve for x
    x = 2,613,294,150,958.41/1,871,367.71
  6. Step 6: Final answer
    x = 1,396,462.14

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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.