Home / 5,321,812.32-7,344,088.56-2,907,381.60

Finding the Fourth Proportional to 5,321,812.32, 7,344,088.56 and 2,907,381.60

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Solution

The fourth proportional to 5,321,812.32, 7,344,088.56 and 2,907,381.60 is: 4,012,179.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321,812.32 : 7,344,088.56 = 2,907,381.60 : x
  2. Step 2: Convert to fraction form
    5,321,812.32/7,344,088.56 = 2,907,381.60/x
  3. Step 3: Cross multiply
    5,321,812.32x = 7,344,088.56 × 2,907,381.60
  4. Step 4: Simplify right side
    5,321,812.32x = 21,352,067,948,114.50
  5. Step 5: Solve for x
    x = 21,352,067,948,114.50/5,321,812.32
  6. Step 6: Final answer
    x = 4,012,179.81

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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.