Home / 5,420,465.52-8,130,742.62-1,777,142.22

Finding the Fourth Proportional to 5,420,465.52, 8,130,742.62 and 1,777,142.22

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Solution

The fourth proportional to 5,420,465.52, 8,130,742.62 and 1,777,142.22 is: 2,665,727.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,420,465.52 : 8,130,742.62 = 1,777,142.22 : x
  2. Step 2: Convert to fraction form
    5,420,465.52/8,130,742.62 = 1,777,142.22/x
  3. Step 3: Cross multiply
    5,420,465.52x = 8,130,742.62 × 1,777,142.22
  4. Step 4: Simplify right side
    5,420,465.52x = 14,449,485,989,955.42
  5. Step 5: Solve for x
    x = 14,449,485,989,955.42/5,420,465.52
  6. Step 6: Final answer
    x = 2,665,727.87

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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.