Home / 1,890,397.85-2,610,926.87-1,376,450.42

Finding the Fourth Proportional to 1,890,397.85, 2,610,926.87 and 1,376,450.42

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Solution

The fourth proportional to 1,890,397.85, 2,610,926.87 and 1,376,450.42 is: 1,901,087.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,397.85 : 2,610,926.87 = 1,376,450.42 : x
  2. Step 2: Convert to fraction form
    1,890,397.85/2,610,926.87 = 1,376,450.42/x
  3. Step 3: Cross multiply
    1,890,397.85x = 2,610,926.87 × 1,376,450.42
  4. Step 4: Simplify right side
    1,890,397.85x = 3,593,811,366,863.90
  5. Step 5: Solve for x
    x = 3,593,811,366,863.90/1,890,397.85
  6. Step 6: Final answer
    x = 1,901,087.32

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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.