Home / 3,127,271.25-4,313,409.56-2,869,979.06

Finding the Fourth Proportional to 3,127,271.25, 4,313,409.56 and 2,869,979.06

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Solution

The fourth proportional to 3,127,271.25, 4,313,409.56 and 2,869,979.06 is: 3,958,529.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127,271.25 : 4,313,409.56 = 2,869,979.06 : x
  2. Step 2: Convert to fraction form
    3,127,271.25/4,313,409.56 = 2,869,979.06/x
  3. Step 3: Cross multiply
    3,127,271.25x = 4,313,409.56 × 2,869,979.06
  4. Step 4: Simplify right side
    3,127,271.25x = 12,379,395,078,486.87
  5. Step 5: Solve for x
    x = 12,379,395,078,486.87/3,127,271.25
  6. Step 6: Final answer
    x = 3,958,529.37

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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.