Home / 5,431,722.70-8,147,584.05-2,065,492.30

Finding the Fourth Proportional to 5,431,722.70, 8,147,584.05 and 2,065,492.30

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Solution

The fourth proportional to 5,431,722.70, 8,147,584.05 and 2,065,492.30 is: 3,098,238.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431,722.70 : 8,147,584.05 = 2,065,492.30 : x
  2. Step 2: Convert to fraction form
    5,431,722.70/8,147,584.05 = 2,065,492.30/x
  3. Step 3: Cross multiply
    5,431,722.70x = 8,147,584.05 × 2,065,492.30
  4. Step 4: Simplify right side
    5,431,722.70x = 16,828,772,118,877.81
  5. Step 5: Solve for x
    x = 16,828,772,118,877.81/5,431,722.70
  6. Step 6: Final answer
    x = 3,098,238.45

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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.