Home / 4,824,220.86-6,660,540.36-2,990,638.80

Finding the Fourth Proportional to 4,824,220.86, 6,660,540.36 and 2,990,638.80

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Solution

The fourth proportional to 4,824,220.86, 6,660,540.36 and 2,990,638.80 is: 4,129,012.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,824,220.86 : 6,660,540.36 = 2,990,638.80 : x
  2. Step 2: Convert to fraction form
    4,824,220.86/6,660,540.36 = 2,990,638.80/x
  3. Step 3: Cross multiply
    4,824,220.86x = 6,660,540.36 × 2,990,638.80
  4. Step 4: Simplify right side
    4,824,220.86x = 19,919,270,429,581.97
  5. Step 5: Solve for x
    x = 19,919,270,429,581.97/4,824,220.86
  6. Step 6: Final answer
    x = 4,129,012.96

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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.