Home / 3,147,297.93-4,343,277.78-1,858,221.34

Finding the Fourth Proportional to 3,147,297.93, 4,343,277.78 and 1,858,221.34

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Solution

The fourth proportional to 3,147,297.93, 4,343,277.78 and 1,858,221.34 is: 2,564,349.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147,297.93 : 4,343,277.78 = 1,858,221.34 : x
  2. Step 2: Convert to fraction form
    3,147,297.93/4,343,277.78 = 1,858,221.34/x
  3. Step 3: Cross multiply
    3,147,297.93x = 4,343,277.78 × 1,858,221.34
  4. Step 4: Simplify right side
    3,147,297.93x = 8,070,771,445,485.63
  5. Step 5: Solve for x
    x = 8,070,771,445,485.63/3,147,297.93
  6. Step 6: Final answer
    x = 2,564,349.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.