Home / 2,188,393.79-3,020,487.32-1,283,267.39

Finding the Fourth Proportional to 2,188,393.79, 3,020,487.32 and 1,283,267.39

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Solution

The fourth proportional to 2,188,393.79, 3,020,487.32 and 1,283,267.39 is: 1,771,204.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,393.79 : 3,020,487.32 = 1,283,267.39 : x
  2. Step 2: Convert to fraction form
    2,188,393.79/3,020,487.32 = 1,283,267.39/x
  3. Step 3: Cross multiply
    2,188,393.79x = 3,020,487.32 × 1,283,267.39
  4. Step 4: Simplify right side
    2,188,393.79x = 3,876,092,879,664.49
  5. Step 5: Solve for x
    x = 3,876,092,879,664.49/2,188,393.79
  6. Step 6: Final answer
    x = 1,771,204.48

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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.