Home / 5,239,932.45-7,231,032.71-2,948,087.67

Finding the Fourth Proportional to 5,239,932.45, 7,231,032.71 and 2,948,087.67

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Solution

The fourth proportional to 5,239,932.45, 7,231,032.71 and 2,948,087.67 is: 4,068,319.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239,932.45 : 7,231,032.71 = 2,948,087.67 : x
  2. Step 2: Convert to fraction form
    5,239,932.45/7,231,032.71 = 2,948,087.67/x
  3. Step 3: Cross multiply
    5,239,932.45x = 7,231,032.71 × 2,948,087.67
  4. Step 4: Simplify right side
    5,239,932.45x = 21,317,718,358,977.25
  5. Step 5: Solve for x
    x = 21,317,718,358,977.25/5,239,932.45
  6. Step 6: Final answer
    x = 4,068,319.31

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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.