Home / 1,601,518.41-2,207,401.89-1,214,205.57

Finding the Fourth Proportional to 1,601,518.41, 2,207,401.89 and 1,214,205.57

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Solution

The fourth proportional to 1,601,518.41, 2,207,401.89 and 1,214,205.57 is: 1,673,561.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601,518.41 : 2,207,401.89 = 1,214,205.57 : x
  2. Step 2: Convert to fraction form
    1,601,518.41/2,207,401.89 = 1,214,205.57/x
  3. Step 3: Cross multiply
    1,601,518.41x = 2,207,401.89 × 1,214,205.57
  4. Step 4: Simplify right side
    1,601,518.41x = 2,680,239,670,066.53
  5. Step 5: Solve for x
    x = 2,680,239,670,066.53/1,601,518.41
  6. Step 6: Final answer
    x = 1,673,561.57

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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.