Home / 4,768,019.40-7,152,029.10-3,970,201.80

Finding the Fourth Proportional to 4,768,019.40, 7,152,029.10 and 3,970,201.80

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Solution

The fourth proportional to 4,768,019.40, 7,152,029.10 and 3,970,201.80 is: 5,955,302.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,768,019.40 : 7,152,029.10 = 3,970,201.80 : x
  2. Step 2: Convert to fraction form
    4,768,019.40/7,152,029.10 = 3,970,201.80/x
  3. Step 3: Cross multiply
    4,768,019.40x = 7,152,029.10 × 3,970,201.80
  4. Step 4: Simplify right side
    4,768,019.40x = 28,394,998,806,472.38
  5. Step 5: Solve for x
    x = 28,394,998,806,472.38/4,768,019.40
  6. Step 6: Final answer
    x = 5,955,302.70

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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.