Home / 5,320,435.60-7,981,819.80-1,725,590.80

Finding the Fourth Proportional to 5,320,435.60, 7,981,819.80 and 1,725,590.80

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Solution

The fourth proportional to 5,320,435.60, 7,981,819.80 and 1,725,590.80 is: 2,588,764.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320,435.60 : 7,981,819.80 = 1,725,590.80 : x
  2. Step 2: Convert to fraction form
    5,320,435.60/7,981,819.80 = 1,725,590.80/x
  3. Step 3: Cross multiply
    5,320,435.60x = 7,981,819.80 × 1,725,590.80
  4. Step 4: Simplify right side
    5,320,435.60x = 13,773,354,814,137.84
  5. Step 5: Solve for x
    x = 13,773,354,814,137.84/5,320,435.60
  6. Step 6: Final answer
    x = 2,588,764.50

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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.