Home / 1,963,328.45-2,709,874.19-1,200,021.71

Finding the Fourth Proportional to 1,963,328.45, 2,709,874.19 and 1,200,021.71

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Solution

The fourth proportional to 1,963,328.45, 2,709,874.19 and 1,200,021.71 is: 1,656,323.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,963,328.45 : 2,709,874.19 = 1,200,021.71 : x
  2. Step 2: Convert to fraction form
    1,963,328.45/2,709,874.19 = 1,200,021.71/x
  3. Step 3: Cross multiply
    1,963,328.45x = 2,709,874.19 × 1,200,021.71
  4. Step 4: Simplify right side
    1,963,328.45x = 3,251,907,859,368.66
  5. Step 5: Solve for x
    x = 3,251,907,859,368.66/1,963,328.45
  6. Step 6: Final answer
    x = 1,656,323.91

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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.