Home / 3,943,856-5,916,437.67-1,384,406.86

Finding the Fourth Proportional to 3,943,856, 5,916,437.67 and 1,384,406.86

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Solution

The fourth proportional to 3,943,856, 5,916,437.67 and 1,384,406.86 is: 2,076,839.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943,856 : 5,916,437.67 = 1,384,406.86 : x
  2. Step 2: Convert to fraction form
    3,943,856/5,916,437.67 = 1,384,406.86/x
  3. Step 3: Cross multiply
    3,943,856x = 5,916,437.67 × 1,384,406.86
  4. Step 4: Simplify right side
    3,943,856x = 8,190,756,897,110.42
  5. Step 5: Solve for x
    x = 8,190,756,897,110.42/3,943,856
  6. Step 6: Final answer
    x = 2,076,839.75

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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.