Home / 1,871,311.95-2,582,408.66-1,011,870.16

Finding the Fourth Proportional to 1,871,311.95, 2,582,408.66 and 1,011,870.16

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Solution

The fourth proportional to 1,871,311.95, 2,582,408.66 and 1,011,870.16 is: 1,396,379.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,311.95 : 2,582,408.66 = 1,011,870.16 : x
  2. Step 2: Convert to fraction form
    1,871,311.95/2,582,408.66 = 1,011,870.16/x
  3. Step 3: Cross multiply
    1,871,311.95x = 2,582,408.66 × 1,011,870.16
  4. Step 4: Simplify right side
    1,871,311.95x = 2,613,062,252,464.21
  5. Step 5: Solve for x
    x = 2,613,062,252,464.21/1,871,311.95
  6. Step 6: Final answer
    x = 1,396,379.82

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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.