Home / 3,378,829.98-4,662,786.39-1,850,991.90

Finding the Fourth Proportional to 3,378,829.98, 4,662,786.39 and 1,850,991.90

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Solution

The fourth proportional to 3,378,829.98, 4,662,786.39 and 1,850,991.90 is: 2,554,369.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378,829.98 : 4,662,786.39 = 1,850,991.90 : x
  2. Step 2: Convert to fraction form
    3,378,829.98/4,662,786.39 = 1,850,991.90/x
  3. Step 3: Cross multiply
    3,378,829.98x = 4,662,786.39 × 1,850,991.90
  4. Step 4: Simplify right side
    3,378,829.98x = 8,630,779,839,320.24
  5. Step 5: Solve for x
    x = 8,630,779,839,320.24/3,378,829.98
  6. Step 6: Final answer
    x = 2,554,369.38

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1.5x scale

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.