Home / 2,188,400.79-3,020,496.98-1,283,274.39

Finding the Fourth Proportional to 2,188,400.79, 3,020,496.98 and 1,283,274.39

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Solution

The fourth proportional to 2,188,400.79, 3,020,496.98 and 1,283,274.39 is: 1,771,214.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,400.79 : 3,020,496.98 = 1,283,274.39 : x
  2. Step 2: Convert to fraction form
    2,188,400.79/3,020,496.98 = 1,283,274.39/x
  3. Step 3: Cross multiply
    2,188,400.79x = 3,020,496.98 × 1,283,274.39
  4. Step 4: Simplify right side
    2,188,400.79x = 3,876,126,413,089.97
  5. Step 5: Solve for x
    x = 3,876,126,413,089.97/2,188,400.79
  6. Step 6: Final answer
    x = 1,771,214.14

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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.