Home / 5,198,871.74-7,173,890.67-2,875,395.05

Finding the Fourth Proportional to 5,198,871.74, 7,173,890.67 and 2,875,395.05

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Solution

The fourth proportional to 5,198,871.74, 7,173,890.67 and 2,875,395.05 is: 3,967,739.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,198,871.74 : 7,173,890.67 = 2,875,395.05 : x
  2. Step 2: Convert to fraction form
    5,198,871.74/7,173,890.67 = 2,875,395.05/x
  3. Step 3: Cross multiply
    5,198,871.74x = 7,173,890.67 × 2,875,395.05
  4. Step 4: Simplify right side
    5,198,871.74x = 20,627,769,685,889.73
  5. Step 5: Solve for x
    x = 20,627,769,685,889.73/5,198,871.74
  6. Step 6: Final answer
    x = 3,967,739.68

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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.