Home / 5,717,190.48-7,889,369.40-3,138,856.80

Finding the Fourth Proportional to 5,717,190.48, 7,889,369.40 and 3,138,856.80

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Solution

The fourth proportional to 5,717,190.48, 7,889,369.40 and 3,138,856.80 is: 4,331,428.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,717,190.48 : 7,889,369.40 = 3,138,856.80 : x
  2. Step 2: Convert to fraction form
    5,717,190.48/7,889,369.40 = 3,138,856.80/x
  3. Step 3: Cross multiply
    5,717,190.48x = 7,889,369.40 × 3,138,856.80
  4. Step 4: Simplify right side
    5,717,190.48x = 24,763,600,788,901.92
  5. Step 5: Solve for x
    x = 24,763,600,788,901.92/5,717,190.48
  6. Step 6: Final answer
    x = 4,331,428.33

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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.