Home / 2,072,725.56-3,106,729.85-1,261,320.41

Finding the Fourth Proportional to 2,072,725.56, 3,106,729.85 and 1,261,320.41

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Solution

The fourth proportional to 2,072,725.56, 3,106,729.85 and 1,261,320.41 is: 1,890,545.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072,725.56 : 3,106,729.85 = 1,261,320.41 : x
  2. Step 2: Convert to fraction form
    2,072,725.56/3,106,729.85 = 1,261,320.41/x
  3. Step 3: Cross multiply
    2,072,725.56x = 3,106,729.85 × 1,261,320.41
  4. Step 4: Simplify right side
    2,072,725.56x = 3,918,581,769,621.46
  5. Step 5: Solve for x
    x = 3,918,581,769,621.46/2,072,725.56
  6. Step 6: Final answer
    x = 1,890,545.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.