Home / 6,117,645.81-8,438,908.01-3,669,605.49

Finding the Fourth Proportional to 6,117,645.81, 8,438,908.01 and 3,669,605.49

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Solution

The fourth proportional to 6,117,645.81, 8,438,908.01 and 3,669,605.49 is: 5,061,990.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,117,645.81 : 8,438,908.01 = 3,669,605.49 : x
  2. Step 2: Convert to fraction form
    6,117,645.81/8,438,908.01 = 3,669,605.49/x
  3. Step 3: Cross multiply
    6,117,645.81x = 8,438,908.01 × 3,669,605.49
  4. Step 4: Simplify right side
    6,117,645.81x = 30,967,463,144,752.95
  5. Step 5: Solve for x
    x = 30,967,463,144,752.95/6,117,645.81
  6. Step 6: Final answer
    x = 5,061,990.20

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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.