Home / 6,512,514.90-9,769,238.91-1,720,156.38

Finding the Fourth Proportional to 6,512,514.90, 9,769,238.91 and 1,720,156.38

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Solution

The fourth proportional to 6,512,514.90, 9,769,238.91 and 1,720,156.38 is: 2,580,357.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,512,514.90 : 9,769,238.91 = 1,720,156.38 : x
  2. Step 2: Convert to fraction form
    6,512,514.90/9,769,238.91 = 1,720,156.38/x
  3. Step 3: Cross multiply
    6,512,514.90x = 9,769,238.91 × 1,720,156.38
  4. Step 4: Simplify right side
    6,512,514.90x = 16,804,618,638,780.74
  5. Step 5: Solve for x
    x = 16,804,618,638,780.74/6,512,514.90
  6. Step 6: Final answer
    x = 2,580,357.80

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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.