Home / 5,320,468.60-7,981,869.30-1,725,623.80

Finding the Fourth Proportional to 5,320,468.60, 7,981,869.30 and 1,725,623.80

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Solution

The fourth proportional to 5,320,468.60, 7,981,869.30 and 1,725,623.80 is: 2,588,814.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320,468.60 : 7,981,869.30 = 1,725,623.80 : x
  2. Step 2: Convert to fraction form
    5,320,468.60/7,981,869.30 = 1,725,623.80/x
  3. Step 3: Cross multiply
    5,320,468.60x = 7,981,869.30 × 1,725,623.80
  4. Step 4: Simplify right side
    5,320,468.60x = 13,773,703,632,569.34
  5. Step 5: Solve for x
    x = 13,773,703,632,569.34/5,320,468.60
  6. Step 6: Final answer
    x = 2,588,814.01

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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.