Home / 2,162,864.64-2,983,761.12-1,399,164.48

Finding the Fourth Proportional to 2,162,864.64, 2,983,761.12 and 1,399,164.48

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Solution

The fourth proportional to 2,162,864.64, 2,983,761.12 and 1,399,164.48 is: 1,930,205.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,162,864.64 : 2,983,761.12 = 1,399,164.48 : x
  2. Step 2: Convert to fraction form
    2,162,864.64/2,983,761.12 = 1,399,164.48/x
  3. Step 3: Cross multiply
    2,162,864.64x = 2,983,761.12 × 1,399,164.48
  4. Step 4: Simplify right side
    2,162,864.64x = 4,174,772,575,909.02
  5. Step 5: Solve for x
    x = 4,174,772,575,909.02/2,162,864.64
  6. Step 6: Final answer
    x = 1,930,205.20

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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.