Home / 5,215,633.94-7,823,367.79-1,429,116.82

Finding the Fourth Proportional to 5,215,633.94, 7,823,367.79 and 1,429,116.82

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Solution

The fourth proportional to 5,215,633.94, 7,823,367.79 and 1,429,116.82 is: 2,143,652.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215,633.94 : 7,823,367.79 = 1,429,116.82 : x
  2. Step 2: Convert to fraction form
    5,215,633.94/7,823,367.79 = 1,429,116.82/x
  3. Step 3: Cross multiply
    5,215,633.94x = 7,823,367.79 × 1,429,116.82
  4. Step 4: Simplify right side
    5,215,633.94x = 11,180,506,474,604.02
  5. Step 5: Solve for x
    x = 11,180,506,474,604.02/5,215,633.94
  6. Step 6: Final answer
    x = 2,143,652.45

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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.