Home / 3,901,911.40-5,384,661.87-2,183,031.46

Finding the Fourth Proportional to 3,901,911.40, 5,384,661.87 and 2,183,031.46

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Solution

The fourth proportional to 3,901,911.40, 5,384,661.87 and 2,183,031.46 is: 3,012,596.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901,911.40 : 5,384,661.87 = 2,183,031.46 : x
  2. Step 2: Convert to fraction form
    3,901,911.40/5,384,661.87 = 2,183,031.46/x
  3. Step 3: Cross multiply
    3,901,911.40x = 5,384,661.87 × 2,183,031.46
  4. Step 4: Simplify right side
    3,901,911.40x = 11,754,886,263,672.43
  5. Step 5: Solve for x
    x = 11,754,886,263,672.43/3,901,911.40
  6. Step 6: Final answer
    x = 3,012,596.92

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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.