Home / 1,642,187.86-2,267,285.60-1,469,807.31

Finding the Fourth Proportional to 1,642,187.86, 2,267,285.60 and 1,469,807.31

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Solution

The fourth proportional to 1,642,187.86, 2,267,285.60 and 1,469,807.31 is: 2,029,288.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,187.86 : 2,267,285.60 = 1,469,807.31 : x
  2. Step 2: Convert to fraction form
    1,642,187.86/2,267,285.60 = 1,469,807.31/x
  3. Step 3: Cross multiply
    1,642,187.86x = 2,267,285.60 × 1,469,807.31
  4. Step 4: Simplify right side
    1,642,187.86x = 3,332,472,935,720.49
  5. Step 5: Solve for x
    x = 3,332,472,935,720.49/1,642,187.86
  6. Step 6: Final answer
    x = 2,029,288.49

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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.