Home / 3,261,661.20-4,892,491.80-865,875.60

Finding the Fourth Proportional to 3,261,661.20, 4,892,491.80 and 865,875.60

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Solution

The fourth proportional to 3,261,661.20, 4,892,491.80 and 865,875.60 is: 1,298,813.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261,661.20 : 4,892,491.80 = 865,875.60 : x
  2. Step 2: Convert to fraction form
    3,261,661.20/4,892,491.80 = 865,875.60/x
  3. Step 3: Cross multiply
    3,261,661.20x = 4,892,491.80 × 865,875.60
  4. Step 4: Simplify right side
    3,261,661.20x = 4,236,289,272,820.08
  5. Step 5: Solve for x
    x = 4,236,289,272,820.08/3,261,661.20
  6. Step 6: Final answer
    x = 1,298,813.40

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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.