Home / 2,173,123.53-2,998,760.40-1,206,177.71

Finding the Fourth Proportional to 2,173,123.53, 2,998,760.40 and 1,206,177.71

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Solution

The fourth proportional to 2,173,123.53, 2,998,760.40 and 1,206,177.71 is: 1,664,441.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173,123.53 : 2,998,760.40 = 1,206,177.71 : x
  2. Step 2: Convert to fraction form
    2,173,123.53/2,998,760.40 = 1,206,177.71/x
  3. Step 3: Cross multiply
    2,173,123.53x = 2,998,760.40 × 1,206,177.71
  4. Step 4: Simplify right side
    2,173,123.53x = 3,617,037,937,116.88
  5. Step 5: Solve for x
    x = 3,617,037,937,116.88/2,173,123.53
  6. Step 6: Final answer
    x = 1,664,441.94

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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.