Home / 2,782,165.47-4,167,814.66-1,917,447.27

Finding the Fourth Proportional to 2,782,165.47, 4,167,814.66 and 1,917,447.27

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Solution

The fourth proportional to 2,782,165.47, 4,167,814.66 and 1,917,447.27 is: 2,872,426.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782,165.47 : 4,167,814.66 = 1,917,447.27 : x
  2. Step 2: Convert to fraction form
    2,782,165.47/4,167,814.66 = 1,917,447.27/x
  3. Step 3: Cross multiply
    2,782,165.47x = 4,167,814.66 × 1,917,447.27
  4. Step 4: Simplify right side
    2,782,165.47x = 7,991,564,841,682.98
  5. Step 5: Solve for x
    x = 7,991,564,841,682.98/2,782,165.47
  6. Step 6: Final answer
    x = 2,872,426.15

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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.