Home / 5,181,027.52-7,772,192.32-2,781,574.08

Finding the Fourth Proportional to 5,181,027.52, 7,772,192.32 and 2,781,574.08

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Solution

The fourth proportional to 5,181,027.52, 7,772,192.32 and 2,781,574.08 is: 4,172,710.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181,027.52 : 7,772,192.32 = 2,781,574.08 : x
  2. Step 2: Convert to fraction form
    5,181,027.52/7,772,192.32 = 2,781,574.08/x
  3. Step 3: Cross multiply
    5,181,027.52x = 7,772,192.32 × 2,781,574.08
  4. Step 4: Simplify right side
    5,181,027.52x = 21,618,928,702,087.07
  5. Step 5: Solve for x
    x = 21,618,928,702,087.07/5,181,027.52
  6. Step 6: Final answer
    x = 4,172,710.65

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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.