Home / 5,431,968.70-8,148,937.20-2,729,492.80

Finding the Fourth Proportional to 5,431,968.70, 8,148,937.20 and 2,729,492.80

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Solution

The fourth proportional to 5,431,968.70, 8,148,937.20 and 2,729,492.80 is: 4,094,733.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431,968.70 : 8,148,937.20 = 2,729,492.80 : x
  2. Step 2: Convert to fraction form
    5,431,968.70/8,148,937.20 = 2,729,492.80/x
  3. Step 3: Cross multiply
    5,431,968.70x = 8,148,937.20 × 2,729,492.80
  4. Step 4: Simplify right side
    5,431,968.70x = 22,242,465,415,052.16
  5. Step 5: Solve for x
    x = 22,242,465,415,052.16/5,431,968.70
  6. Step 6: Final answer
    x = 4,094,733.72

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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.