Home / 5,078,039.47-7,007,693.70-2,902,629.33

Finding the Fourth Proportional to 5,078,039.47, 7,007,693.70 and 2,902,629.33

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Solution

The fourth proportional to 5,078,039.47, 7,007,693.70 and 2,902,629.33 is: 4,005,628.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078,039.47 : 7,007,693.70 = 2,902,629.33 : x
  2. Step 2: Convert to fraction form
    5,078,039.47/7,007,693.70 = 2,902,629.33/x
  3. Step 3: Cross multiply
    5,078,039.47x = 7,007,693.70 × 2,902,629.33
  4. Step 4: Simplify right side
    5,078,039.47x = 20,340,737,268,310.07
  5. Step 5: Solve for x
    x = 20,340,737,268,310.07/5,078,039.47
  6. Step 6: Final answer
    x = 4,005,628.04

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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.