Home / 5,320,465.60-7,981,864.80-1,725,620.80

Finding the Fourth Proportional to 5,320,465.60, 7,981,864.80 and 1,725,620.80

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Solution

The fourth proportional to 5,320,465.60, 7,981,864.80 and 1,725,620.80 is: 2,588,809.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320,465.60 : 7,981,864.80 = 1,725,620.80 : x
  2. Step 2: Convert to fraction form
    5,320,465.60/7,981,864.80 = 1,725,620.80/x
  3. Step 3: Cross multiply
    5,320,465.60x = 7,981,864.80 × 1,725,620.80
  4. Step 4: Simplify right side
    5,320,465.60x = 13,773,671,921,667.84
  5. Step 5: Solve for x
    x = 13,773,671,921,667.84/5,320,465.60
  6. Step 6: Final answer
    x = 2,588,809.51

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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.