Home / 3,607,830.72-5,412,242.88-1,212,360.48

Finding the Fourth Proportional to 3,607,830.72, 5,412,242.88 and 1,212,360.48

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Solution

The fourth proportional to 3,607,830.72, 5,412,242.88 and 1,212,360.48 is: 1,818,707.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,607,830.72 : 5,412,242.88 = 1,212,360.48 : x
  2. Step 2: Convert to fraction form
    3,607,830.72/5,412,242.88 = 1,212,360.48/x
  3. Step 3: Cross multiply
    3,607,830.72x = 5,412,242.88 × 1,212,360.48
  4. Step 4: Simplify right side
    3,607,830.72x = 6,561,589,375,873.38
  5. Step 5: Solve for x
    x = 6,561,589,375,873.38/3,607,830.72
  6. Step 6: Final answer
    x = 1,818,707.66

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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.