Home / 5,425,953.70-8,138,930.55-1,640,020.90

Finding the Fourth Proportional to 5,425,953.70, 8,138,930.55 and 1,640,020.90

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Solution

The fourth proportional to 5,425,953.70, 8,138,930.55 and 1,640,020.90 is: 2,460,031.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425,953.70 : 8,138,930.55 = 1,640,020.90 : x
  2. Step 2: Convert to fraction form
    5,425,953.70/8,138,930.55 = 1,640,020.90/x
  3. Step 3: Cross multiply
    5,425,953.70x = 8,138,930.55 × 1,640,020.90
  4. Step 4: Simplify right side
    5,425,953.70x = 13,348,016,205,648.49
  5. Step 5: Solve for x
    x = 13,348,016,205,648.49/5,425,953.70
  6. Step 6: Final answer
    x = 2,460,031.35

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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.