Home / 3,317,090.93-4,975,081.44-921,177.75

Finding the Fourth Proportional to 3,317,090.93, 4,975,081.44 and 921,177.75

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Solution

The fourth proportional to 3,317,090.93, 4,975,081.44 and 921,177.75 is: 1,381,612.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317,090.93 : 4,975,081.44 = 921,177.75 : x
  2. Step 2: Convert to fraction form
    3,317,090.93/4,975,081.44 = 921,177.75/x
  3. Step 3: Cross multiply
    3,317,090.93x = 4,975,081.44 × 921,177.75
  4. Step 4: Simplify right side
    3,317,090.93x = 4,582,934,326,965.96
  5. Step 5: Solve for x
    x = 4,582,934,326,965.96/3,317,090.93
  6. Step 6: Final answer
    x = 1,381,612.51

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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.