Home / 4,268,832.52-6,403,697.39-1,390,423.64

Finding the Fourth Proportional to 4,268,832.52, 6,403,697.39 and 1,390,423.64

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Solution

The fourth proportional to 4,268,832.52, 6,403,697.39 and 1,390,423.64 is: 2,085,781.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268,832.52 : 6,403,697.39 = 1,390,423.64 : x
  2. Step 2: Convert to fraction form
    4,268,832.52/6,403,697.39 = 1,390,423.64/x
  3. Step 3: Cross multiply
    4,268,832.52x = 6,403,697.39 × 1,390,423.64
  4. Step 4: Simplify right side
    4,268,832.52x = 8,903,852,206,126.79
  5. Step 5: Solve for x
    x = 8,903,852,206,126.79/4,268,832.52
  6. Step 6: Final answer
    x = 2,085,781.57

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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.