Home / 2,872,129.07-4,308,508.87-1,433,174.65

Finding the Fourth Proportional to 2,872,129.07, 4,308,508.87 and 1,433,174.65

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Solution

The fourth proportional to 2,872,129.07, 4,308,508.87 and 1,433,174.65 is: 2,149,919.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872,129.07 : 4,308,508.87 = 1,433,174.65 : x
  2. Step 2: Convert to fraction form
    2,872,129.07/4,308,508.87 = 1,433,174.65/x
  3. Step 3: Cross multiply
    2,872,129.07x = 4,308,508.87 × 1,433,174.65
  4. Step 4: Simplify right side
    2,872,129.07x = 6,174,845,677,429.94
  5. Step 5: Solve for x
    x = 6,174,845,677,429.94/2,872,129.07
  6. Step 6: Final answer
    x = 2,149,919.28

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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.