Home / 5,035,702.80-7,555,786.68-2,638,977.60

Finding the Fourth Proportional to 5,035,702.80, 7,555,786.68 and 2,638,977.60

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Solution

The fourth proportional to 5,035,702.80, 7,555,786.68 and 2,638,977.60 is: 3,959,636.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,035,702.80 : 7,555,786.68 = 2,638,977.60 : x
  2. Step 2: Convert to fraction form
    5,035,702.80/7,555,786.68 = 2,638,977.60/x
  3. Step 3: Cross multiply
    5,035,702.80x = 7,555,786.68 × 2,638,977.60
  4. Step 4: Simplify right side
    5,035,702.80x = 19,939,551,798,898.37
  5. Step 5: Solve for x
    x = 19,939,551,798,898.37/5,035,702.80
  6. Step 6: Final answer
    x = 3,959,636.34

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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.