Home / 2,692,408.90-4,038,613.35-1,936,581.70

Finding the Fourth Proportional to 2,692,408.90, 4,038,613.35 and 1,936,581.70

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Solution

The fourth proportional to 2,692,408.90, 4,038,613.35 and 1,936,581.70 is: 2,904,872.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692,408.90 : 4,038,613.35 = 1,936,581.70 : x
  2. Step 2: Convert to fraction form
    2,692,408.90/4,038,613.35 = 1,936,581.70/x
  3. Step 3: Cross multiply
    2,692,408.90x = 4,038,613.35 × 1,936,581.70
  4. Step 4: Simplify right side
    2,692,408.90x = 7,821,104,706,985.70
  5. Step 5: Solve for x
    x = 7,821,104,706,985.70/2,692,408.90
  6. Step 6: Final answer
    x = 2,904,872.55

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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.