Home / 2,770,172.80-4,154,222.40-972,361.60

Finding the Fourth Proportional to 2,770,172.80, 4,154,222.40 and 972,361.60

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Solution

The fourth proportional to 2,770,172.80, 4,154,222.40 and 972,361.60 is: 1,458,178.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770,172.80 : 4,154,222.40 = 972,361.60 : x
  2. Step 2: Convert to fraction form
    2,770,172.80/4,154,222.40 = 972,361.60/x
  3. Step 3: Cross multiply
    2,770,172.80x = 4,154,222.40 × 972,361.60
  4. Step 4: Simplify right side
    2,770,172.80x = 4,039,406,339,619.84
  5. Step 5: Solve for x
    x = 4,039,406,339,619.84/2,770,172.80
  6. Step 6: Final answer
    x = 1,458,178.47

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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.