Home / 5,389,491.80-8,084,237.70-4,893,480.20

Finding the Fourth Proportional to 5,389,491.80, 8,084,237.70 and 4,893,480.20

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Solution

The fourth proportional to 5,389,491.80, 8,084,237.70 and 4,893,480.20 is: 7,340,220.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389,491.80 : 8,084,237.70 = 4,893,480.20 : x
  2. Step 2: Convert to fraction form
    5,389,491.80/8,084,237.70 = 4,893,480.20/x
  3. Step 3: Cross multiply
    5,389,491.80x = 8,084,237.70 × 4,893,480.20
  4. Step 4: Simplify right side
    5,389,491.80x = 39,560,057,117,043.54
  5. Step 5: Solve for x
    x = 39,560,057,117,043.54/5,389,491.80
  6. Step 6: Final answer
    x = 7,340,220.30

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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.