Home / 5,169,990.80-7,758,485.40-2,328,640.40

Finding the Fourth Proportional to 5,169,990.80, 7,758,485.40 and 2,328,640.40

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Solution

The fourth proportional to 5,169,990.80, 7,758,485.40 and 2,328,640.40 is: 3,494,536.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,169,990.80 : 7,758,485.40 = 2,328,640.40 : x
  2. Step 2: Convert to fraction form
    5,169,990.80/7,758,485.40 = 2,328,640.40/x
  3. Step 3: Cross multiply
    5,169,990.80x = 7,758,485.40 × 2,328,640.40
  4. Step 4: Simplify right side
    5,169,990.80x = 18,066,722,545,250.16
  5. Step 5: Solve for x
    x = 18,066,722,545,250.16/5,169,990.80
  6. Step 6: Final answer
    x = 3,494,536.69

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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.