Home / 1,838,221.56-2,534,964.66-1,226,399.20

Finding the Fourth Proportional to 1,838,221.56, 2,534,964.66 and 1,226,399.20

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Solution

The fourth proportional to 1,838,221.56, 2,534,964.66 and 1,226,399.20 is: 1,691,242.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838,221.56 : 2,534,964.66 = 1,226,399.20 : x
  2. Step 2: Convert to fraction form
    1,838,221.56/2,534,964.66 = 1,226,399.20/x
  3. Step 3: Cross multiply
    1,838,221.56x = 2,534,964.66 × 1,226,399.20
  4. Step 4: Simplify right side
    1,838,221.56x = 3,108,878,624,714.86
  5. Step 5: Solve for x
    x = 3,108,878,624,714.86/1,838,221.56
  6. Step 6: Final answer
    x = 1,691,242.61

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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.