Home / 3,129,880.69-4,319,616.77-1,840,658.77

Finding the Fourth Proportional to 3,129,880.69, 4,319,616.77 and 1,840,658.77

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Solution

The fourth proportional to 3,129,880.69, 4,319,616.77 and 1,840,658.77 is: 2,540,333.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,880.69 : 4,319,616.77 = 1,840,658.77 : x
  2. Step 2: Convert to fraction form
    3,129,880.69/4,319,616.77 = 1,840,658.77/x
  3. Step 3: Cross multiply
    3,129,880.69x = 4,319,616.77 × 1,840,658.77
  4. Step 4: Simplify right side
    3,129,880.69x = 7,950,940,481,536.28
  5. Step 5: Solve for x
    x = 7,950,940,481,536.28/3,129,880.69
  6. Step 6: Final answer
    x = 2,540,333.41

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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.