Home / 1,788,052.60-2,682,078.90-1,557,105.40

Finding the Fourth Proportional to 1,788,052.60, 2,682,078.90 and 1,557,105.40

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Solution

The fourth proportional to 1,788,052.60, 2,682,078.90 and 1,557,105.40 is: 2,335,658.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788,052.60 : 2,682,078.90 = 1,557,105.40 : x
  2. Step 2: Convert to fraction form
    1,788,052.60/2,682,078.90 = 1,557,105.40/x
  3. Step 3: Cross multiply
    1,788,052.60x = 2,682,078.90 × 1,557,105.40
  4. Step 4: Simplify right side
    1,788,052.60x = 4,176,279,538,416.06
  5. Step 5: Solve for x
    x = 4,176,279,538,416.06/1,788,052.60
  6. Step 6: Final answer
    x = 2,335,658.10

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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.