Home / 4,000,348.45-5,520,480.68-2,164,806.79

Finding the Fourth Proportional to 4,000,348.45, 5,520,480.68 and 2,164,806.79

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Solution

The fourth proportional to 4,000,348.45, 5,520,480.68 and 2,164,806.79 is: 2,987,433.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,000,348.45 : 5,520,480.68 = 2,164,806.79 : x
  2. Step 2: Convert to fraction form
    4,000,348.45/5,520,480.68 = 2,164,806.79/x
  3. Step 3: Cross multiply
    4,000,348.45x = 5,520,480.68 × 2,164,806.79
  4. Step 4: Simplify right side
    4,000,348.45x = 11,950,774,035,502.58
  5. Step 5: Solve for x
    x = 11,950,774,035,502.58/4,000,348.45
  6. Step 6: Final answer
    x = 2,987,433.27

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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.