Home / 2,081,328.94-3,121,328.94-661,052.80

Finding the Fourth Proportional to 2,081,328.94, 3,121,328.94 and 661,052.80

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Solution

The fourth proportional to 2,081,328.94, 3,121,328.94 and 661,052.80 is: 991,368.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,081,328.94 : 3,121,328.94 = 661,052.80 : x
  2. Step 2: Convert to fraction form
    2,081,328.94/3,121,328.94 = 661,052.80/x
  3. Step 3: Cross multiply
    2,081,328.94x = 3,121,328.94 × 661,052.80
  4. Step 4: Simplify right side
    2,081,328.94x = 2,063,363,235,508.03
  5. Step 5: Solve for x
    x = 2,063,363,235,508.03/2,081,328.94
  6. Step 6: Final answer
    x = 991,368.16

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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.