Home / 2,987,998.58-4,123,272.21-1,698,660.02

Finding the Fourth Proportional to 2,987,998.58, 4,123,272.21 and 1,698,660.02

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Solution

The fourth proportional to 2,987,998.58, 4,123,272.21 and 1,698,660.02 is: 2,344,056.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,998.58 : 4,123,272.21 = 1,698,660.02 : x
  2. Step 2: Convert to fraction form
    2,987,998.58/4,123,272.21 = 1,698,660.02/x
  3. Step 3: Cross multiply
    2,987,998.58x = 4,123,272.21 × 1,698,660.02
  4. Step 4: Simplify right side
    2,987,998.58x = 7,004,037,654,704.04
  5. Step 5: Solve for x
    x = 7,004,037,654,704.04/2,987,998.58
  6. Step 6: Final answer
    x = 2,344,056.55

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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.