Home / 3,884,833.90-5,361,105.44-2,142,570.68

Finding the Fourth Proportional to 3,884,833.90, 5,361,105.44 and 2,142,570.68

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Solution

The fourth proportional to 3,884,833.90, 5,361,105.44 and 2,142,570.68 is: 2,956,766.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884,833.90 : 5,361,105.44 = 2,142,570.68 : x
  2. Step 2: Convert to fraction form
    3,884,833.90/5,361,105.44 = 2,142,570.68/x
  3. Step 3: Cross multiply
    3,884,833.90x = 5,361,105.44 × 2,142,570.68
  4. Step 4: Simplify right side
    3,884,833.90x = 11,486,547,328,132.50
  5. Step 5: Solve for x
    x = 11,486,547,328,132.50/3,884,833.90
  6. Step 6: Final answer
    x = 2,956,766.65

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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.