Home / 3,778,378.79-5,214,214.55-2,059,495.61

Finding the Fourth Proportional to 3,778,378.79, 5,214,214.55 and 2,059,495.61

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Solution

The fourth proportional to 3,778,378.79, 5,214,214.55 and 2,059,495.61 is: 2,842,132.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778,378.79 : 5,214,214.55 = 2,059,495.61 : x
  2. Step 2: Convert to fraction form
    3,778,378.79/5,214,214.55 = 2,059,495.61/x
  3. Step 3: Cross multiply
    3,778,378.79x = 5,214,214.55 × 2,059,495.61
  4. Step 4: Simplify right side
    3,778,378.79x = 10,738,651,978,061.18
  5. Step 5: Solve for x
    x = 10,738,651,978,061.18/3,778,378.79
  6. Step 6: Final answer
    x = 2,842,132.19

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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.