Home / 3,173,871.96-4,381,284.05-2,142,776.34

Finding the Fourth Proportional to 3,173,871.96, 4,381,284.05 and 2,142,776.34

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Solution

The fourth proportional to 3,173,871.96, 4,381,284.05 and 2,142,776.34 is: 2,957,936.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173,871.96 : 4,381,284.05 = 2,142,776.34 : x
  2. Step 2: Convert to fraction form
    3,173,871.96/4,381,284.05 = 2,142,776.34/x
  3. Step 3: Cross multiply
    3,173,871.96x = 4,381,284.05 × 2,142,776.34
  4. Step 4: Simplify right side
    3,173,871.96x = 9,388,111,782,051.09
  5. Step 5: Solve for x
    x = 9,388,111,782,051.09/3,173,871.96
  6. Step 6: Final answer
    x = 2,957,936.52

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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.