Home / 1,893,103.85-2,611,157.72-1,280,987.19

Finding the Fourth Proportional to 1,893,103.85, 2,611,157.72 and 1,280,987.19

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Solution

The fourth proportional to 1,893,103.85, 2,611,157.72 and 1,280,987.19 is: 1,766,865.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,893,103.85 : 2,611,157.72 = 1,280,987.19 : x
  2. Step 2: Convert to fraction form
    1,893,103.85/2,611,157.72 = 1,280,987.19/x
  3. Step 3: Cross multiply
    1,893,103.85x = 2,611,157.72 × 1,280,987.19
  4. Step 4: Simplify right side
    1,893,103.85x = 3,344,859,583,984.67
  5. Step 5: Solve for x
    x = 3,344,859,583,984.67/1,893,103.85
  6. Step 6: Final answer
    x = 1,766,865.34

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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.