Home / 2,664,677.25-3,997,049.90-771,420.51

Finding the Fourth Proportional to 2,664,677.25, 3,997,049.90 and 771,420.51

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Solution

The fourth proportional to 2,664,677.25, 3,997,049.90 and 771,420.51 is: 1,157,140.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,664,677.25 : 3,997,049.90 = 771,420.51 : x
  2. Step 2: Convert to fraction form
    2,664,677.25/3,997,049.90 = 771,420.51/x
  3. Step 3: Cross multiply
    2,664,677.25x = 3,997,049.90 × 771,420.51
  4. Step 4: Simplify right side
    2,664,677.25x = 3,083,406,268,496.35
  5. Step 5: Solve for x
    x = 3,083,406,268,496.35/2,664,677.25
  6. Step 6: Final answer
    x = 1,157,140.61

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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.