Home / 5,101,226.40-7,039,606.80-2,809,600.32

Finding the Fourth Proportional to 5,101,226.40, 7,039,606.80 and 2,809,600.32

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Solution

The fourth proportional to 5,101,226.40, 7,039,606.80 and 2,809,600.32 is: 3,877,201.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101,226.40 : 7,039,606.80 = 2,809,600.32 : x
  2. Step 2: Convert to fraction form
    5,101,226.40/7,039,606.80 = 2,809,600.32/x
  3. Step 3: Cross multiply
    5,101,226.40x = 7,039,606.80 × 2,809,600.32
  4. Step 4: Simplify right side
    5,101,226.40x = 19,778,481,517,954.18
  5. Step 5: Solve for x
    x = 19,778,481,517,954.18/5,101,226.40
  6. Step 6: Final answer
    x = 3,877,201.28

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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.