Home / 2,176,334.81-3,265,055.45-1,278,535.67

Finding the Fourth Proportional to 2,176,334.81, 3,265,055.45 and 1,278,535.67

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Solution

The fourth proportional to 2,176,334.81, 3,265,055.45 and 1,278,535.67 is: 1,918,128.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176,334.81 : 3,265,055.45 = 1,278,535.67 : x
  2. Step 2: Convert to fraction form
    2,176,334.81/3,265,055.45 = 1,278,535.67/x
  3. Step 3: Cross multiply
    2,176,334.81x = 3,265,055.45 × 1,278,535.67
  4. Step 4: Simplify right side
    2,176,334.81x = 4,174,489,850,960.22
  5. Step 5: Solve for x
    x = 4,174,489,850,960.22/2,176,334.81
  6. Step 6: Final answer
    x = 1,918,128.51

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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.