Home / 2,167,421.70-2,991,042.15-1,200,614.61

Finding the Fourth Proportional to 2,167,421.70, 2,991,042.15 and 1,200,614.61

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Solution

The fourth proportional to 2,167,421.70, 2,991,042.15 and 1,200,614.61 is: 1,656,848.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167,421.70 : 2,991,042.15 = 1,200,614.61 : x
  2. Step 2: Convert to fraction form
    2,167,421.70/2,991,042.15 = 1,200,614.61/x
  3. Step 3: Cross multiply
    2,167,421.70x = 2,991,042.15 × 1,200,614.61
  4. Step 4: Simplify right side
    2,167,421.70x = 3,591,088,904,415.81
  5. Step 5: Solve for x
    x = 3,591,088,904,415.81/2,167,421.70
  6. Step 6: Final answer
    x = 1,656,848.27

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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.