Home / 1,953,218.09-2,934,317.31-1,378,164.89

Finding the Fourth Proportional to 1,953,218.09, 2,934,317.31 and 1,378,164.89

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Solution

The fourth proportional to 1,953,218.09, 2,934,317.31 and 1,378,164.89 is: 2,070,415.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953,218.09 : 2,934,317.31 = 1,378,164.89 : x
  2. Step 2: Convert to fraction form
    1,953,218.09/2,934,317.31 = 1,378,164.89/x
  3. Step 3: Cross multiply
    1,953,218.09x = 2,934,317.31 × 1,378,164.89
  4. Step 4: Simplify right side
    1,953,218.09x = 4,043,973,092,761.25
  5. Step 5: Solve for x
    x = 4,043,973,092,761.25/1,953,218.09
  6. Step 6: Final answer
    x = 2,070,415.54

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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.