Home / 6,446,358.90-8,895,789.68-3,545,749.76

Finding the Fourth Proportional to 6,446,358.90, 8,895,789.68 and 3,545,749.76

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Solution

The fourth proportional to 6,446,358.90, 8,895,789.68 and 3,545,749.76 is: 4,893,032.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,446,358.90 : 8,895,789.68 = 3,545,749.76 : x
  2. Step 2: Convert to fraction form
    6,446,358.90/8,895,789.68 = 3,545,749.76/x
  3. Step 3: Cross multiply
    6,446,358.90x = 8,895,789.68 × 3,545,749.76
  4. Step 4: Simplify right side
    6,446,358.90x = 31,542,244,060,662.78
  5. Step 5: Solve for x
    x = 31,542,244,060,662.78/6,446,358.90
  6. Step 6: Final answer
    x = 4,893,032.57

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1.5x scale

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.