Home / 2,051,789.70-2,831,814.18-1,389,201

Finding the Fourth Proportional to 2,051,789.70, 2,831,814.18 and 1,389,201

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Solution

The fourth proportional to 2,051,789.70, 2,831,814.18 and 1,389,201 is: 1,917,330.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,051,789.70 : 2,831,814.18 = 1,389,201 : x
  2. Step 2: Convert to fraction form
    2,051,789.70/2,831,814.18 = 1,389,201/x
  3. Step 3: Cross multiply
    2,051,789.70x = 2,831,814.18 × 1,389,201
  4. Step 4: Simplify right side
    2,051,789.70x = 3,933,959,090,670.18
  5. Step 5: Solve for x
    x = 3,933,959,090,670.18/2,051,789.70
  6. Step 6: Final answer
    x = 1,917,330.56

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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.