Home / 1,755,815.55-2,423,222.10-991,918.32

Finding the Fourth Proportional to 1,755,815.55, 2,423,222.10 and 991,918.32

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Solution

The fourth proportional to 1,755,815.55, 2,423,222.10 and 991,918.32 is: 1,368,958.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,815.55 : 2,423,222.10 = 991,918.32 : x
  2. Step 2: Convert to fraction form
    1,755,815.55/2,423,222.10 = 991,918.32/x
  3. Step 3: Cross multiply
    1,755,815.55x = 2,423,222.10 × 991,918.32
  4. Step 4: Simplify right side
    1,755,815.55x = 2,403,638,394,418.87
  5. Step 5: Solve for x
    x = 2,403,638,394,418.87/1,755,815.55
  6. Step 6: Final answer
    x = 1,368,958.37

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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.