Home / 1,812,172.32-2,717,895.60-1,722,247.20

Finding the Fourth Proportional to 1,812,172.32, 2,717,895.60 and 1,722,247.20

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Solution

The fourth proportional to 1,812,172.32, 2,717,895.60 and 1,722,247.20 is: 2,583,025.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,172.32 : 2,717,895.60 = 1,722,247.20 : x
  2. Step 2: Convert to fraction form
    1,812,172.32/2,717,895.60 = 1,722,247.20/x
  3. Step 3: Cross multiply
    1,812,172.32x = 2,717,895.60 × 1,722,247.20
  4. Step 4: Simplify right side
    1,812,172.32x = 4,680,888,086,992.32
  5. Step 5: Solve for x
    x = 4,680,888,086,992.32/1,812,172.32
  6. Step 6: Final answer
    x = 2,583,025.93

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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.