Home / 3,919,882-5,879,823-1,260,490

Finding the Fourth Proportional to 3,919,882, 5,879,823 and 1,260,490

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Solution

The fourth proportional to 3,919,882, 5,879,823 and 1,260,490 is: 1,890,735

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919,882 : 5,879,823 = 1,260,490 : x
  2. Step 2: Convert to fraction form
    3,919,882/5,879,823 = 1,260,490/x
  3. Step 3: Cross multiply
    3,919,882x = 5,879,823 × 1,260,490
  4. Step 4: Simplify right side
    3,919,882x = 7,411,458,093,270
  5. Step 5: Solve for x
    x = 7,411,458,093,270/3,919,882
  6. Step 6: Final answer
    x = 1,890,735

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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.