Home / 2,138,401.50-2,950,999.47-1,171,550.94

Finding the Fourth Proportional to 2,138,401.50, 2,950,999.47 and 1,171,550.94

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Solution

The fourth proportional to 2,138,401.50, 2,950,999.47 and 1,171,550.94 is: 1,616,743.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,401.50 : 2,950,999.47 = 1,171,550.94 : x
  2. Step 2: Convert to fraction form
    2,138,401.50/2,950,999.47 = 1,171,550.94/x
  3. Step 3: Cross multiply
    2,138,401.50x = 2,950,999.47 × 1,171,550.94
  4. Step 4: Simplify right side
    2,138,401.50x = 3,457,246,203,018.00
  5. Step 5: Solve for x
    x = 3,457,246,203,018.00/2,138,401.50
  6. Step 6: Final answer
    x = 1,616,743.26

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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.