Home / 2,121,091.48-3,181,643.76-523,654.75

Finding the Fourth Proportional to 2,121,091.48, 3,181,643.76 and 523,654.75

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Solution

The fourth proportional to 2,121,091.48, 3,181,643.76 and 523,654.75 is: 785,483.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,091.48 : 3,181,643.76 = 523,654.75 : x
  2. Step 2: Convert to fraction form
    2,121,091.48/3,181,643.76 = 523,654.75/x
  3. Step 3: Cross multiply
    2,121,091.48x = 3,181,643.76 × 523,654.75
  4. Step 4: Simplify right side
    2,121,091.48x = 1,666,082,867,731.86
  5. Step 5: Solve for x
    x = 1,666,082,867,731.86/2,121,091.48
  6. Step 6: Final answer
    x = 785,483.74

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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.