Home / 3,173,967.39-4,381,415.25-2,142,871.30

Finding the Fourth Proportional to 3,173,967.39, 4,381,415.25 and 2,142,871.30

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Solution

The fourth proportional to 3,173,967.39, 4,381,415.25 and 2,142,871.30 is: 2,958,067.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173,967.39 : 4,381,415.25 = 2,142,871.30 : x
  2. Step 2: Convert to fraction form
    3,173,967.39/4,381,415.25 = 2,142,871.30/x
  3. Step 3: Cross multiply
    3,173,967.39x = 4,381,415.25 × 2,142,871.30
  4. Step 4: Simplify right side
    3,173,967.39x = 9,388,808,992,607.32
  5. Step 5: Solve for x
    x = 9,388,808,992,607.32/3,173,967.39
  6. Step 6: Final answer
    x = 2,958,067.25

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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.