Home / 3,118,821.86-4,305,998.52-2,791,567.68

Finding the Fourth Proportional to 3,118,821.86, 4,305,998.52 and 2,791,567.68

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Solution

The fourth proportional to 3,118,821.86, 4,305,998.52 and 2,791,567.68 is: 3,854,175.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,821.86 : 4,305,998.52 = 2,791,567.68 : x
  2. Step 2: Convert to fraction form
    3,118,821.86/4,305,998.52 = 2,791,567.68/x
  3. Step 3: Cross multiply
    3,118,821.86x = 4,305,998.52 × 2,791,567.68
  4. Step 4: Simplify right side
    3,118,821.86x = 12,020,486,298,559.83
  5. Step 5: Solve for x
    x = 12,020,486,298,559.83/3,118,821.86
  6. Step 6: Final answer
    x = 3,854,175.34

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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.