Home / 2,059,792.60-3,089,688.90-639,837.40

Finding the Fourth Proportional to 2,059,792.60, 3,089,688.90 and 639,837.40

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Solution

The fourth proportional to 2,059,792.60, 3,089,688.90 and 639,837.40 is: 959,756.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,059,792.60 : 3,089,688.90 = 639,837.40 : x
  2. Step 2: Convert to fraction form
    2,059,792.60/3,089,688.90 = 639,837.40/x
  3. Step 3: Cross multiply
    2,059,792.60x = 3,089,688.90 × 639,837.40
  4. Step 4: Simplify right side
    2,059,792.60x = 1,976,898,512,584.86
  5. Step 5: Solve for x
    x = 1,976,898,512,584.86/2,059,792.60
  6. Step 6: Final answer
    x = 959,756.10

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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.