Home / 2,068,213.40-3,102,611.70-648,121.40

Finding the Fourth Proportional to 2,068,213.40, 3,102,611.70 and 648,121.40

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Solution

The fourth proportional to 2,068,213.40, 3,102,611.70 and 648,121.40 is: 972,273.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068,213.40 : 3,102,611.70 = 648,121.40 : x
  2. Step 2: Convert to fraction form
    2,068,213.40/3,102,611.70 = 648,121.40/x
  3. Step 3: Cross multiply
    2,068,213.40x = 3,102,611.70 × 648,121.40
  4. Step 4: Simplify right side
    2,068,213.40x = 2,010,869,038,660.38
  5. Step 5: Solve for x
    x = 2,010,869,038,660.38/2,068,213.40
  6. Step 6: Final answer
    x = 972,273.48

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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.