Home / 2,181,009-3,271,811.60-760,852.20

Finding the Fourth Proportional to 2,181,009, 3,271,811.60 and 760,852.20

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Solution

The fourth proportional to 2,181,009, 3,271,811.60 and 760,852.20 is: 1,141,382.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181,009 : 3,271,811.60 = 760,852.20 : x
  2. Step 2: Convert to fraction form
    2,181,009/3,271,811.60 = 760,852.20/x
  3. Step 3: Cross multiply
    2,181,009x = 3,271,811.60 × 760,852.20
  4. Step 4: Simplify right side
    2,181,009x = 2,489,365,053,845.52
  5. Step 5: Solve for x
    x = 2,489,365,053,845.52/2,181,009
  6. Step 6: Final answer
    x = 1,141,382.29

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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.