Home / 2,619,941.78-3,928,834.65-1,001,308.46

Finding the Fourth Proportional to 2,619,941.78, 3,928,834.65 and 1,001,308.46

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Solution

The fourth proportional to 2,619,941.78, 3,928,834.65 and 1,001,308.46 is: 1,501,550.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619,941.78 : 3,928,834.65 = 1,001,308.46 : x
  2. Step 2: Convert to fraction form
    2,619,941.78/3,928,834.65 = 1,001,308.46/x
  3. Step 3: Cross multiply
    2,619,941.78x = 3,928,834.65 × 1,001,308.46
  4. Step 4: Simplify right side
    2,619,941.78x = 3,933,975,353,341.97
  5. Step 5: Solve for x
    x = 3,933,975,353,341.97/2,619,941.78
  6. Step 6: Final answer
    x = 1,501,550.68

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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.