Home / 1,763,090.70-2,650,273.65-1,638,285.90

Finding the Fourth Proportional to 1,763,090.70, 2,650,273.65 and 1,638,285.90

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Solution

The fourth proportional to 1,763,090.70, 2,650,273.65 and 1,638,285.90 is: 2,462,667.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763,090.70 : 2,650,273.65 = 1,638,285.90 : x
  2. Step 2: Convert to fraction form
    1,763,090.70/2,650,273.65 = 1,638,285.90/x
  3. Step 3: Cross multiply
    1,763,090.70x = 2,650,273.65 × 1,638,285.90
  4. Step 4: Simplify right side
    1,763,090.70x = 4,341,905,951,936.53
  5. Step 5: Solve for x
    x = 4,341,905,951,936.53/1,763,090.70
  6. Step 6: Final answer
    x = 2,462,667.38

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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.