Home / 1,953,969.71-2,696,627.79-1,229,438.48

Finding the Fourth Proportional to 1,953,969.71, 2,696,627.79 and 1,229,438.48

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Solution

The fourth proportional to 1,953,969.71, 2,696,627.79 and 1,229,438.48 is: 1,696,719.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953,969.71 : 2,696,627.79 = 1,229,438.48 : x
  2. Step 2: Convert to fraction form
    1,953,969.71/2,696,627.79 = 1,229,438.48/x
  3. Step 3: Cross multiply
    1,953,969.71x = 2,696,627.79 × 1,229,438.48
  4. Step 4: Simplify right side
    1,953,969.71x = 3,315,337,957,780.22
  5. Step 5: Solve for x
    x = 3,315,337,957,780.22/1,953,969.71
  6. Step 6: Final answer
    x = 1,696,719.22

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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.