Home / 1,965,630.84-2,712,682.22-1,180,936.76

Finding the Fourth Proportional to 1,965,630.84, 2,712,682.22 and 1,180,936.76

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Solution

The fourth proportional to 1,965,630.84, 2,712,682.22 and 1,180,936.76 is: 1,629,759.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,630.84 : 2,712,682.22 = 1,180,936.76 : x
  2. Step 2: Convert to fraction form
    1,965,630.84/2,712,682.22 = 1,180,936.76/x
  3. Step 3: Cross multiply
    1,965,630.84x = 2,712,682.22 × 1,180,936.76
  4. Step 4: Simplify right side
    1,965,630.84x = 3,203,506,151,796.41
  5. Step 5: Solve for x
    x = 3,203,506,151,796.41/1,965,630.84
  6. Step 6: Final answer
    x = 1,629,759.81

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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.