Home / 3,943,854-5,916,434.67-1,384,404.86

Finding the Fourth Proportional to 3,943,854, 5,916,434.67 and 1,384,404.86

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Solution

The fourth proportional to 3,943,854, 5,916,434.67 and 1,384,404.86 is: 2,076,836.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943,854 : 5,916,434.67 = 1,384,404.86 : x
  2. Step 2: Convert to fraction form
    3,943,854/5,916,434.67 = 1,384,404.86/x
  3. Step 3: Cross multiply
    3,943,854x = 5,916,434.67 × 1,384,404.86
  4. Step 4: Simplify right side
    3,943,854x = 8,190,740,881,438.32
  5. Step 5: Solve for x
    x = 8,190,740,881,438.32/3,943,854
  6. Step 6: Final answer
    x = 2,076,836.74

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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.