Home / 2,606,683.94-3,910,018.08-661,408.74

Finding the Fourth Proportional to 2,606,683.94, 3,910,018.08 and 661,408.74

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Solution

The fourth proportional to 2,606,683.94, 3,910,018.08 and 661,408.74 is: 992,111.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,606,683.94 : 3,910,018.08 = 661,408.74 : x
  2. Step 2: Convert to fraction form
    2,606,683.94/3,910,018.08 = 661,408.74/x
  3. Step 3: Cross multiply
    2,606,683.94x = 3,910,018.08 × 661,408.74
  4. Step 4: Simplify right side
    2,606,683.94x = 2,586,120,129,189.74
  5. Step 5: Solve for x
    x = 2,586,120,129,189.74/2,606,683.94
  6. Step 6: Final answer
    x = 992,111.12

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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.