Home / 3,420,487.84-4,720,200.46-1,871,743.34

Finding the Fourth Proportional to 3,420,487.84, 4,720,200.46 and 1,871,743.34

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Solution

The fourth proportional to 3,420,487.84, 4,720,200.46 and 1,871,743.34 is: 2,582,965.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420,487.84 : 4,720,200.46 = 1,871,743.34 : x
  2. Step 2: Convert to fraction form
    3,420,487.84/4,720,200.46 = 1,871,743.34/x
  3. Step 3: Cross multiply
    3,420,487.84x = 4,720,200.46 × 1,871,743.34
  4. Step 4: Simplify right side
    3,420,487.84x = 8,835,003,774,469.94
  5. Step 5: Solve for x
    x = 8,835,003,774,469.94/3,420,487.84
  6. Step 6: Final answer
    x = 2,582,965.99

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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.