Home / 4,724,128.80-7,084,810.80-1,691,143.20

Finding the Fourth Proportional to 4,724,128.80, 7,084,810.80 and 1,691,143.20

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Solution

The fourth proportional to 4,724,128.80, 7,084,810.80 and 1,691,143.20 is: 2,536,219.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,724,128.80 : 7,084,810.80 = 1,691,143.20 : x
  2. Step 2: Convert to fraction form
    4,724,128.80/7,084,810.80 = 1,691,143.20/x
  3. Step 3: Cross multiply
    4,724,128.80x = 7,084,810.80 × 1,691,143.20
  4. Step 4: Simplify right side
    4,724,128.80x = 11,981,429,607,706.56
  5. Step 5: Solve for x
    x = 11,981,429,607,706.56/4,724,128.80
  6. Step 6: Final answer
    x = 2,536,219.93

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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.