Home / 2,526,035.96-3,485,979.78-1,380,187.40

Finding the Fourth Proportional to 2,526,035.96, 3,485,979.78 and 1,380,187.40

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Solution

The fourth proportional to 2,526,035.96, 3,485,979.78 and 1,380,187.40 is: 1,904,686.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,526,035.96 : 3,485,979.78 = 1,380,187.40 : x
  2. Step 2: Convert to fraction form
    2,526,035.96/3,485,979.78 = 1,380,187.40/x
  3. Step 3: Cross multiply
    2,526,035.96x = 3,485,979.78 × 1,380,187.40
  4. Step 4: Simplify right side
    2,526,035.96x = 4,811,305,369,010.77
  5. Step 5: Solve for x
    x = 4,811,305,369,010.77/2,526,035.96
  6. Step 6: Final answer
    x = 1,904,686.02

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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.