Home / 2,174,416.20-3,258,999.90-1,108,909.80

Finding the Fourth Proportional to 2,174,416.20, 3,258,999.90 and 1,108,909.80

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Solution

The fourth proportional to 2,174,416.20, 3,258,999.90 and 1,108,909.80 is: 1,662,026.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,174,416.20 : 3,258,999.90 = 1,108,909.80 : x
  2. Step 2: Convert to fraction form
    2,174,416.20/3,258,999.90 = 1,108,909.80/x
  3. Step 3: Cross multiply
    2,174,416.20x = 3,258,999.90 × 1,108,909.80
  4. Step 4: Simplify right side
    2,174,416.20x = 3,613,936,927,309.02
  5. Step 5: Solve for x
    x = 3,613,936,927,309.02/2,174,416.20
  6. Step 6: Final answer
    x = 1,662,026.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.