Home / 3,500,771.72-4,830,998.10-1,972,848.20

Finding the Fourth Proportional to 3,500,771.72, 4,830,998.10 and 1,972,848.20

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Solution

The fourth proportional to 3,500,771.72, 4,830,998.10 and 1,972,848.20 is: 2,722,492.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500,771.72 : 4,830,998.10 = 1,972,848.20 : x
  2. Step 2: Convert to fraction form
    3,500,771.72/4,830,998.10 = 1,972,848.20/x
  3. Step 3: Cross multiply
    3,500,771.72x = 4,830,998.10 × 1,972,848.20
  4. Step 4: Simplify right side
    3,500,771.72x = 9,530,825,905,788.42
  5. Step 5: Solve for x
    x = 9,530,825,905,788.42/3,500,771.72
  6. Step 6: Final answer
    x = 2,722,492.83

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1.5x scale

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.