Home / 3,837,085.81-5,295,039.65-2,118,169.42

Finding the Fourth Proportional to 3,837,085.81, 5,295,039.65 and 2,118,169.42

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Solution

The fourth proportional to 3,837,085.81, 5,295,039.65 and 2,118,169.42 is: 2,922,997.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837,085.81 : 5,295,039.65 = 2,118,169.42 : x
  2. Step 2: Convert to fraction form
    3,837,085.81/5,295,039.65 = 2,118,169.42/x
  3. Step 3: Cross multiply
    3,837,085.81x = 5,295,039.65 × 2,118,169.42
  4. Step 4: Simplify right side
    3,837,085.81x = 11,215,791,064,317.50
  5. Step 5: Solve for x
    x = 11,215,791,064,317.50/3,837,085.81
  6. Step 6: Final answer
    x = 2,922,997.20

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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.