Home / 5,610,483.09-7,738,876.49-3,890,976.21

Finding the Fourth Proportional to 5,610,483.09, 7,738,876.49 and 3,890,976.21

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Solution

The fourth proportional to 5,610,483.09, 7,738,876.49 and 3,890,976.21 is: 5,367,057.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,610,483.09 : 7,738,876.49 = 3,890,976.21 : x
  2. Step 2: Convert to fraction form
    5,610,483.09/7,738,876.49 = 3,890,976.21/x
  3. Step 3: Cross multiply
    5,610,483.09x = 7,738,876.49 × 3,890,976.21
  4. Step 4: Simplify right side
    5,610,483.09x = 30,111,784,295,263.42
  5. Step 5: Solve for x
    x = 30,111,784,295,263.42/5,610,483.09
  6. Step 6: Final answer
    x = 5,367,057.31

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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.