Home / 1,977,308.96-2,728,580.38-1,117,817.96

Finding the Fourth Proportional to 1,977,308.96, 2,728,580.38 and 1,117,817.96

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Solution

The fourth proportional to 1,977,308.96, 2,728,580.38 and 1,117,817.96 is: 1,542,528.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,308.96 : 2,728,580.38 = 1,117,817.96 : x
  2. Step 2: Convert to fraction form
    1,977,308.96/2,728,580.38 = 1,117,817.96/x
  3. Step 3: Cross multiply
    1,977,308.96x = 2,728,580.38 × 1,117,817.96
  4. Step 4: Simplify right side
    1,977,308.96x = 3,050,056,137,630.18
  5. Step 5: Solve for x
    x = 3,050,056,137,630.18/1,977,308.96
  6. Step 6: Final answer
    x = 1,542,528.86

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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.