Home / 3,261,745.90-4,892,238.81-865,776.74

Finding the Fourth Proportional to 3,261,745.90, 4,892,238.81 and 865,776.74

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Solution

The fourth proportional to 3,261,745.90, 4,892,238.81 and 865,776.74 is: 1,298,564.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261,745.90 : 4,892,238.81 = 865,776.74 : x
  2. Step 2: Convert to fraction form
    3,261,745.90/4,892,238.81 = 865,776.74/x
  3. Step 3: Cross multiply
    3,261,745.90x = 4,892,238.81 × 865,776.74
  4. Step 4: Simplify right side
    3,261,745.90x = 4,235,586,543,762.09
  5. Step 5: Solve for x
    x = 4,235,586,543,762.09/3,261,745.90
  6. Step 6: Final answer
    x = 1,298,564.23

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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.