Home / 5,120,845.81-7,680,226.07-1,881,270.04

Finding the Fourth Proportional to 5,120,845.81, 7,680,226.07 and 1,881,270.04

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Solution

The fourth proportional to 5,120,845.81, 7,680,226.07 and 1,881,270.04 is: 2,821,522.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,120,845.81 : 7,680,226.07 = 1,881,270.04 : x
  2. Step 2: Convert to fraction form
    5,120,845.81/7,680,226.07 = 1,881,270.04/x
  3. Step 3: Cross multiply
    5,120,845.81x = 7,680,226.07 × 1,881,270.04
  4. Step 4: Simplify right side
    5,120,845.81x = 14,448,579,230,285.03
  5. Step 5: Solve for x
    x = 14,448,579,230,285.03/5,120,845.81
  6. Step 6: Final answer
    x = 2,821,522.03

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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.