Home / 3,171,056.55-4,376,035.83-1,720,715.10

Finding the Fourth Proportional to 3,171,056.55, 4,376,035.83 and 1,720,715.10

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Solution

The fourth proportional to 3,171,056.55, 4,376,035.83 and 1,720,715.10 is: 2,374,574.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,056.55 : 4,376,035.83 = 1,720,715.10 : x
  2. Step 2: Convert to fraction form
    3,171,056.55/4,376,035.83 = 1,720,715.10/x
  3. Step 3: Cross multiply
    3,171,056.55x = 4,376,035.83 × 1,720,715.10
  4. Step 4: Simplify right side
    3,171,056.55x = 7,529,910,930,822.03
  5. Step 5: Solve for x
    x = 7,529,910,930,822.03/3,171,056.55
  6. Step 6: Final answer
    x = 2,374,574.79

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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.