Home / 2,479,069.85-3,421,122.98-1,376,503.30

Finding the Fourth Proportional to 2,479,069.85, 3,421,122.98 and 1,376,503.30

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Solution

The fourth proportional to 2,479,069.85, 3,421,122.98 and 1,376,503.30 is: 1,899,578.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479,069.85 : 3,421,122.98 = 1,376,503.30 : x
  2. Step 2: Convert to fraction form
    2,479,069.85/3,421,122.98 = 1,376,503.30/x
  3. Step 3: Cross multiply
    2,479,069.85x = 3,421,122.98 × 1,376,503.30
  4. Step 4: Simplify right side
    2,479,069.85x = 4,709,187,071,675.83
  5. Step 5: Solve for x
    x = 4,709,187,071,675.83/2,479,069.85
  6. Step 6: Final answer
    x = 1,899,578.21

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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.