Home / 1,881,676.98-2,820,842.28-816,137.64

Finding the Fourth Proportional to 1,881,676.98, 2,820,842.28 and 816,137.64

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Solution

The fourth proportional to 1,881,676.98, 2,820,842.28 and 816,137.64 is: 1,223,480.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881,676.98 : 2,820,842.28 = 816,137.64 : x
  2. Step 2: Convert to fraction form
    1,881,676.98/2,820,842.28 = 816,137.64/x
  3. Step 3: Cross multiply
    1,881,676.98x = 2,820,842.28 × 816,137.64
  4. Step 4: Simplify right side
    1,881,676.98x = 2,302,195,561,211.42
  5. Step 5: Solve for x
    x = 2,302,195,561,211.42/1,881,676.98
  6. Step 6: Final answer
    x = 1,223,480.75

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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.