Home / 2,188,393.29-3,020,486.63-1,283,266.89

Finding the Fourth Proportional to 2,188,393.29, 3,020,486.63 and 1,283,266.89

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Solution

The fourth proportional to 2,188,393.29, 3,020,486.63 and 1,283,266.89 is: 1,771,203.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,393.29 : 3,020,486.63 = 1,283,266.89 : x
  2. Step 2: Convert to fraction form
    2,188,393.29/3,020,486.63 = 1,283,266.89/x
  3. Step 3: Cross multiply
    2,188,393.29x = 3,020,486.63 × 1,283,266.89
  4. Step 4: Simplify right side
    2,188,393.29x = 3,876,090,483,966.68
  5. Step 5: Solve for x
    x = 3,876,090,483,966.68/2,188,393.29
  6. Step 6: Final answer
    x = 1,771,203.79

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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.