Home / 2,127,278.25-3,189,127.55-989,462.34

Finding the Fourth Proportional to 2,127,278.25, 3,189,127.55 and 989,462.34

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Solution

The fourth proportional to 2,127,278.25, 3,189,127.55 and 989,462.34 is: 1,483,361.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,278.25 : 3,189,127.55 = 989,462.34 : x
  2. Step 2: Convert to fraction form
    2,127,278.25/3,189,127.55 = 989,462.34/x
  3. Step 3: Cross multiply
    2,127,278.25x = 3,189,127.55 × 989,462.34
  4. Step 4: Simplify right side
    2,127,278.25x = 3,155,521,603,234.16
  5. Step 5: Solve for x
    x = 3,155,521,603,234.16/2,127,278.25
  6. Step 6: Final answer
    x = 1,483,361.01

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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.