Home / 3,689,529.87-5,091,331.95-2,140,671.57

Finding the Fourth Proportional to 3,689,529.87, 5,091,331.95 and 2,140,671.57

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Solution

The fourth proportional to 3,689,529.87, 5,091,331.95 and 2,140,671.57 is: 2,953,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689,529.87 : 5,091,331.95 = 2,140,671.57 : x
  2. Step 2: Convert to fraction form
    3,689,529.87/5,091,331.95 = 2,140,671.57/x
  3. Step 3: Cross multiply
    3,689,529.87x = 5,091,331.95 × 2,140,671.57
  4. Step 4: Simplify right side
    3,689,529.87x = 10,898,869,558,797.66
  5. Step 5: Solve for x
    x = 10,898,869,558,797.66/3,689,529.87
  6. Step 6: Final answer
    x = 2,953,999.55

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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.