Home / 1,787,545.36-2,681,334.44-1,273,039.94

Finding the Fourth Proportional to 1,787,545.36, 2,681,334.44 and 1,273,039.94

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Solution

The fourth proportional to 1,787,545.36, 2,681,334.44 and 1,273,039.94 is: 1,909,571.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,545.36 : 2,681,334.44 = 1,273,039.94 : x
  2. Step 2: Convert to fraction form
    1,787,545.36/2,681,334.44 = 1,273,039.94/x
  3. Step 3: Cross multiply
    1,787,545.36x = 2,681,334.44 × 1,273,039.94
  4. Step 4: Simplify right side
    1,787,545.36x = 3,413,445,846,890.42
  5. Step 5: Solve for x
    x = 3,413,445,846,890.42/1,787,545.36
  6. Step 6: Final answer
    x = 1,909,571.60

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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.