Home / 4,818,580.78-7,213,670.16-4,220,709.66

Finding the Fourth Proportional to 4,818,580.78, 7,213,670.16 and 4,220,709.66

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Solution

The fourth proportional to 4,818,580.78, 7,213,670.16 and 4,220,709.66 is: 6,318,625.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,818,580.78 : 7,213,670.16 = 4,220,709.66 : x
  2. Step 2: Convert to fraction form
    4,818,580.78/7,213,670.16 = 4,220,709.66/x
  3. Step 3: Cross multiply
    4,818,580.78x = 7,213,670.16 × 4,220,709.66
  4. Step 4: Simplify right side
    4,818,580.78x = 30,446,807,328,365.75
  5. Step 5: Solve for x
    x = 30,446,807,328,365.75/4,818,580.78
  6. Step 6: Final answer
    x = 6,318,625.49

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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.