Home / 1,418,003.80-2,127,005.70-1,099,139.20

Finding the Fourth Proportional to 1,418,003.80, 2,127,005.70 and 1,099,139.20

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Solution

The fourth proportional to 1,418,003.80, 2,127,005.70 and 1,099,139.20 is: 1,648,708.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,003.80 : 2,127,005.70 = 1,099,139.20 : x
  2. Step 2: Convert to fraction form
    1,418,003.80/2,127,005.70 = 1,099,139.20/x
  3. Step 3: Cross multiply
    1,418,003.80x = 2,127,005.70 × 1,099,139.20
  4. Step 4: Simplify right side
    1,418,003.80x = 2,337,875,343,493.44
  5. Step 5: Solve for x
    x = 2,337,875,343,493.44/1,418,003.80
  6. Step 6: Final answer
    x = 1,648,708.80

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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.