Home / 5,212,420.06-7,811,820.60-2,906,821.12

Finding the Fourth Proportional to 5,212,420.06, 7,811,820.60 and 2,906,821.12

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Solution

The fourth proportional to 5,212,420.06, 7,811,820.60 and 2,906,821.12 is: 4,356,434.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212,420.06 : 7,811,820.60 = 2,906,821.12 : x
  2. Step 2: Convert to fraction form
    5,212,420.06/7,811,820.60 = 2,906,821.12/x
  3. Step 3: Cross multiply
    5,212,420.06x = 7,811,820.60 × 2,906,821.12
  4. Step 4: Simplify right side
    5,212,420.06x = 22,707,565,105,731.07
  5. Step 5: Solve for x
    x = 22,707,565,105,731.07/5,212,420.06
  6. Step 6: Final answer
    x = 4,356,434.22

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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.