Home / 2,650,890.72-3,977,763.09-1,053,467.65

Finding the Fourth Proportional to 2,650,890.72, 3,977,763.09 and 1,053,467.65

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Solution

The fourth proportional to 2,650,890.72, 3,977,763.09 and 1,053,467.65 is: 1,580,768.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650,890.72 : 3,977,763.09 = 1,053,467.65 : x
  2. Step 2: Convert to fraction form
    2,650,890.72/3,977,763.09 = 1,053,467.65/x
  3. Step 3: Cross multiply
    2,650,890.72x = 3,977,763.09 × 1,053,467.65
  4. Step 4: Simplify right side
    2,650,890.72x = 4,190,444,734,679.04
  5. Step 5: Solve for x
    x = 4,190,444,734,679.04/2,650,890.72
  6. Step 6: Final answer
    x = 1,580,768.57

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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.