Home / 3,689,393-5,091,362.34-2,079,761

Finding the Fourth Proportional to 3,689,393, 5,091,362.34 and 2,079,761

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Solution

The fourth proportional to 3,689,393, 5,091,362.34 and 2,079,761 is: 2,870,070.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689,393 : 5,091,362.34 = 2,079,761 : x
  2. Step 2: Convert to fraction form
    3,689,393/5,091,362.34 = 2,079,761/x
  3. Step 3: Cross multiply
    3,689,393x = 5,091,362.34 × 2,079,761
  4. Step 4: Simplify right side
    3,689,393x = 10,588,816,831,600.74
  5. Step 5: Solve for x
    x = 10,588,816,831,600.74/3,689,393
  6. Step 6: Final answer
    x = 2,870,070.18

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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.