Home / 2,105,589.23-2,905,847.66-1,187,483.38

Finding the Fourth Proportional to 2,105,589.23, 2,905,847.66 and 1,187,483.38

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Solution

The fourth proportional to 2,105,589.23, 2,905,847.66 and 1,187,483.38 is: 1,638,802.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,589.23 : 2,905,847.66 = 1,187,483.38 : x
  2. Step 2: Convert to fraction form
    2,105,589.23/2,905,847.66 = 1,187,483.38/x
  3. Step 3: Cross multiply
    2,105,589.23x = 2,905,847.66 × 1,187,483.38
  4. Step 4: Simplify right side
    2,105,589.23x = 3,450,645,792,679.78
  5. Step 5: Solve for x
    x = 3,450,645,792,679.78/2,105,589.23
  6. Step 6: Final answer
    x = 1,638,802.93

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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.