Home / 2,005,781.47-3,009,115.14-743,609.10

Finding the Fourth Proportional to 2,005,781.47, 3,009,115.14 and 743,609.10

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Solution

The fourth proportional to 2,005,781.47, 3,009,115.14 and 743,609.10 is: 1,115,577.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,005,781.47 : 3,009,115.14 = 743,609.10 : x
  2. Step 2: Convert to fraction form
    2,005,781.47/3,009,115.14 = 743,609.10/x
  3. Step 3: Cross multiply
    2,005,781.47x = 3,009,115.14 × 743,609.10
  4. Step 4: Simplify right side
    2,005,781.47x = 2,237,605,401,051.77
  5. Step 5: Solve for x
    x = 2,237,605,401,051.77/2,005,781.47
  6. Step 6: Final answer
    x = 1,115,577.86

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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.