Home / 1,788,000.90-2,682,001.35-1,669,028.10

Finding the Fourth Proportional to 1,788,000.90, 2,682,001.35 and 1,669,028.10

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Solution

The fourth proportional to 1,788,000.90, 2,682,001.35 and 1,669,028.10 is: 2,503,542.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788,000.90 : 2,682,001.35 = 1,669,028.10 : x
  2. Step 2: Convert to fraction form
    1,788,000.90/2,682,001.35 = 1,669,028.10/x
  3. Step 3: Cross multiply
    1,788,000.90x = 2,682,001.35 × 1,669,028.10
  4. Step 4: Simplify right side
    1,788,000.90x = 4,476,335,617,387.94
  5. Step 5: Solve for x
    x = 4,476,335,617,387.94/1,788,000.90
  6. Step 6: Final answer
    x = 2,503,542.15

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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.