Home / 3,405,221.44-4,699,149.60-1,877,470.72

Finding the Fourth Proportional to 3,405,221.44, 4,699,149.60 and 1,877,470.72

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Solution

The fourth proportional to 3,405,221.44, 4,699,149.60 and 1,877,470.72 is: 2,590,878.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405,221.44 : 4,699,149.60 = 1,877,470.72 : x
  2. Step 2: Convert to fraction form
    3,405,221.44/4,699,149.60 = 1,877,470.72/x
  3. Step 3: Cross multiply
    3,405,221.44x = 4,699,149.60 × 1,877,470.72
  4. Step 4: Simplify right side
    3,405,221.44x = 8,822,515,782,899.71
  5. Step 5: Solve for x
    x = 8,822,515,782,899.71/3,405,221.44
  6. Step 6: Final answer
    x = 2,590,878.73

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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.