Home / 1,896,648.40-2,616,580.90-1,243,431.26

Finding the Fourth Proportional to 1,896,648.40, 2,616,580.90 and 1,243,431.26

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Solution

The fourth proportional to 1,896,648.40, 2,616,580.90 and 1,243,431.26 is: 1,715,414.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896,648.40 : 2,616,580.90 = 1,243,431.26 : x
  2. Step 2: Convert to fraction form
    1,896,648.40/2,616,580.90 = 1,243,431.26/x
  3. Step 3: Cross multiply
    1,896,648.40x = 2,616,580.90 × 1,243,431.26
  4. Step 4: Simplify right side
    1,896,648.40x = 3,253,538,485,378.93
  5. Step 5: Solve for x
    x = 3,253,538,485,378.93/1,896,648.40
  6. Step 6: Final answer
    x = 1,715,414.67

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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.