Home / 1,883,192.70-2,820,123.45-1,208,235.90

Finding the Fourth Proportional to 1,883,192.70, 2,820,123.45 and 1,208,235.90

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Solution

The fourth proportional to 1,883,192.70, 2,820,123.45 and 1,208,235.90 is: 1,809,360.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,883,192.70 : 2,820,123.45 = 1,208,235.90 : x
  2. Step 2: Convert to fraction form
    1,883,192.70/2,820,123.45 = 1,208,235.90/x
  3. Step 3: Cross multiply
    1,883,192.70x = 2,820,123.45 × 1,208,235.90
  4. Step 4: Simplify right side
    1,883,192.70x = 3,407,374,394,721.86
  5. Step 5: Solve for x
    x = 3,407,374,394,721.86/1,883,192.70
  6. Step 6: Final answer
    x = 1,809,360.45

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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.