Home / 3,633,223.63-5,013,789.82-1,979,390.50

Finding the Fourth Proportional to 3,633,223.63, 5,013,789.82 and 1,979,390.50

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Solution

The fourth proportional to 3,633,223.63, 5,013,789.82 and 1,979,390.50 is: 2,731,526.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,633,223.63 : 5,013,789.82 = 1,979,390.50 : x
  2. Step 2: Convert to fraction form
    3,633,223.63/5,013,789.82 = 1,979,390.50/x
  3. Step 3: Cross multiply
    3,633,223.63x = 5,013,789.82 × 1,979,390.50
  4. Step 4: Simplify right side
    3,633,223.63x = 9,924,247,938,704.71
  5. Step 5: Solve for x
    x = 9,924,247,938,704.71/3,633,223.63
  6. Step 6: Final answer
    x = 2,731,526.86

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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.