Home / 2,686,761.40-4,024,893.30-1,618,630.60

Finding the Fourth Proportional to 2,686,761.40, 4,024,893.30 and 1,618,630.60

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Solution

The fourth proportional to 2,686,761.40, 4,024,893.30 and 1,618,630.60 is: 2,424,783.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686,761.40 : 4,024,893.30 = 1,618,630.60 : x
  2. Step 2: Convert to fraction form
    2,686,761.40/4,024,893.30 = 1,618,630.60/x
  3. Step 3: Cross multiply
    2,686,761.40x = 4,024,893.30 × 1,618,630.60
  4. Step 4: Simplify right side
    2,686,761.40x = 6,514,815,457,114.98
  5. Step 5: Solve for x
    x = 6,514,815,457,114.98/2,686,761.40
  6. Step 6: Final answer
    x = 2,424,783.78

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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.