Home / 3,809,779.00-5,257,498.58-2,178,220.53

Finding the Fourth Proportional to 3,809,779.00, 5,257,498.58 and 2,178,220.53

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Solution

The fourth proportional to 3,809,779.00, 5,257,498.58 and 2,178,220.53 is: 3,005,946.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809,779.00 : 5,257,498.58 = 2,178,220.53 : x
  2. Step 2: Convert to fraction form
    3,809,779.00/5,257,498.58 = 2,178,220.53/x
  3. Step 3: Cross multiply
    3,809,779.00x = 5,257,498.58 × 2,178,220.53
  4. Step 4: Simplify right side
    3,809,779.00x = 11,451,991,348,847.40
  5. Step 5: Solve for x
    x = 11,451,991,348,847.40/3,809,779.00
  6. Step 6: Final answer
    x = 3,005,946.37

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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.