Home / 5,425,944.20-8,138,916.30-1,640,011.40

Finding the Fourth Proportional to 5,425,944.20, 8,138,916.30 and 1,640,011.40

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Solution

The fourth proportional to 5,425,944.20, 8,138,916.30 and 1,640,011.40 is: 2,460,017.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425,944.20 : 8,138,916.30 = 1,640,011.40 : x
  2. Step 2: Convert to fraction form
    5,425,944.20/8,138,916.30 = 1,640,011.40/x
  3. Step 3: Cross multiply
    5,425,944.20x = 8,138,916.30 × 1,640,011.40
  4. Step 4: Simplify right side
    5,425,944.20x = 13,347,915,515,645.82
  5. Step 5: Solve for x
    x = 13,347,915,515,645.82/5,425,944.20
  6. Step 6: Final answer
    x = 2,460,017.10

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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.