Home / 3,405,115.02-5,108,419.89-1,009,147.44

Finding the Fourth Proportional to 3,405,115.02, 5,108,419.89 and 1,009,147.44

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Solution

The fourth proportional to 3,405,115.02, 5,108,419.89 and 1,009,147.44 is: 1,513,942.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405,115.02 : 5,108,419.89 = 1,009,147.44 : x
  2. Step 2: Convert to fraction form
    3,405,115.02/5,108,419.89 = 1,009,147.44/x
  3. Step 3: Cross multiply
    3,405,115.02x = 5,108,419.89 × 1,009,147.44
  4. Step 4: Simplify right side
    3,405,115.02x = 5,155,148,854,438.58
  5. Step 5: Solve for x
    x = 5,155,148,854,438.58/3,405,115.02
  6. Step 6: Final answer
    x = 1,513,942.65

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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.