Home / 1,871,780-2,583,057.84-1,012,339.16

Finding the Fourth Proportional to 1,871,780, 2,583,057.84 and 1,012,339.16

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Solution

The fourth proportional to 1,871,780, 2,583,057.84 and 1,012,339.16 is: 1,397,028.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,780 : 2,583,057.84 = 1,012,339.16 : x
  2. Step 2: Convert to fraction form
    1,871,780/2,583,057.84 = 1,012,339.16/x
  3. Step 3: Cross multiply
    1,871,780x = 2,583,057.84 × 1,012,339.16
  4. Step 4: Simplify right side
    1,871,780x = 2,614,930,603,977.01
  5. Step 5: Solve for x
    x = 2,614,930,603,977.01/1,871,780
  6. Step 6: Final answer
    x = 1,397,028.82

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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.