Home / 3,420,534.70-4,720,338.32-1,871,796.70

Finding the Fourth Proportional to 3,420,534.70, 4,720,338.32 and 1,871,796.70

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Solution

The fourth proportional to 3,420,534.70, 4,720,338.32 and 1,871,796.70 is: 2,583,079.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420,534.70 : 4,720,338.32 = 1,871,796.70 : x
  2. Step 2: Convert to fraction form
    3,420,534.70/4,720,338.32 = 1,871,796.70/x
  3. Step 3: Cross multiply
    3,420,534.70x = 4,720,338.32 × 1,871,796.70
  4. Step 4: Simplify right side
    3,420,534.70x = 8,835,513,690,259.55
  5. Step 5: Solve for x
    x = 8,835,513,690,259.55/3,420,534.70
  6. Step 6: Final answer
    x = 2,583,079.68

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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.