Home / 2,763,693.72-4,145,689.08-870,583.32

Finding the Fourth Proportional to 2,763,693.72, 4,145,689.08 and 870,583.32

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Solution

The fourth proportional to 2,763,693.72, 4,145,689.08 and 870,583.32 is: 1,305,921.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763,693.72 : 4,145,689.08 = 870,583.32 : x
  2. Step 2: Convert to fraction form
    2,763,693.72/4,145,689.08 = 870,583.32/x
  3. Step 3: Cross multiply
    2,763,693.72x = 4,145,689.08 × 870,583.32
  4. Step 4: Simplify right side
    2,763,693.72x = 3,609,167,762,954.15
  5. Step 5: Solve for x
    x = 3,609,167,762,954.15/2,763,693.72
  6. Step 6: Final answer
    x = 1,305,921.76

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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.