Home / 6,519,965.32-8,997,101.39-3,619,127.85

Finding the Fourth Proportional to 6,519,965.32, 8,997,101.39 and 3,619,127.85

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Solution

The fourth proportional to 6,519,965.32, 8,997,101.39 and 3,619,127.85 is: 4,994,146.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,519,965.32 : 8,997,101.39 = 3,619,127.85 : x
  2. Step 2: Convert to fraction form
    6,519,965.32/8,997,101.39 = 3,619,127.85/x
  3. Step 3: Cross multiply
    6,519,965.32x = 8,997,101.39 × 3,619,127.85
  4. Step 4: Simplify right side
    6,519,965.32x = 32,561,660,209,822.71
  5. Step 5: Solve for x
    x = 32,561,660,209,822.71/6,519,965.32
  6. Step 6: Final answer
    x = 4,994,146.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.