Home / 5,188,923.90-7,160,728.86-2,897,166.60

Finding the Fourth Proportional to 5,188,923.90, 7,160,728.86 and 2,897,166.60

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Solution

The fourth proportional to 5,188,923.90, 7,160,728.86 and 2,897,166.60 is: 3,998,097.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188,923.90 : 7,160,728.86 = 2,897,166.60 : x
  2. Step 2: Convert to fraction form
    5,188,923.90/7,160,728.86 = 2,897,166.60/x
  3. Step 3: Cross multiply
    5,188,923.90x = 7,160,728.86 × 2,897,166.60
  4. Step 4: Simplify right side
    5,188,923.90x = 20,745,824,484,848.08
  5. Step 5: Solve for x
    x = 20,745,824,484,848.08/5,188,923.90
  6. Step 6: Final answer
    x = 3,998,097.66

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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.