Home / 3,451,985.70-5,178,186.14-1,055,851.09

Finding the Fourth Proportional to 3,451,985.70, 5,178,186.14 and 1,055,851.09

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Solution

The fourth proportional to 3,451,985.70, 5,178,186.14 and 1,055,851.09 is: 1,583,840.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451,985.70 : 5,178,186.14 = 1,055,851.09 : x
  2. Step 2: Convert to fraction form
    3,451,985.70/5,178,186.14 = 1,055,851.09/x
  3. Step 3: Cross multiply
    3,451,985.70x = 5,178,186.14 × 1,055,851.09
  4. Step 4: Simplify right side
    3,451,985.70x = 5,467,393,480,141.89
  5. Step 5: Solve for x
    x = 5,467,393,480,141.89/3,451,985.70
  6. Step 6: Final answer
    x = 1,583,840.13

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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.