Home / 3,931,279.90-5,424,268.68-2,211,773.02

Finding the Fourth Proportional to 3,931,279.90, 5,424,268.68 and 2,211,773.02

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Solution

The fourth proportional to 3,931,279.90, 5,424,268.68 and 2,211,773.02 is: 3,051,741.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,279.90 : 5,424,268.68 = 2,211,773.02 : x
  2. Step 2: Convert to fraction form
    3,931,279.90/5,424,268.68 = 2,211,773.02/x
  3. Step 3: Cross multiply
    3,931,279.90x = 5,424,268.68 × 2,211,773.02
  4. Step 4: Simplify right side
    3,931,279.90x = 11,997,251,106,094.34
  5. Step 5: Solve for x
    x = 11,997,251,106,094.34/3,931,279.90
  6. Step 6: Final answer
    x = 3,051,741.78

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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.