Home / 2,261,679.51-3,121,141.95-1,229,187.27

Finding the Fourth Proportional to 2,261,679.51, 3,121,141.95 and 1,229,187.27

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Solution

The fourth proportional to 2,261,679.51, 3,121,141.95 and 1,229,187.27 is: 1,696,291.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261,679.51 : 3,121,141.95 = 1,229,187.27 : x
  2. Step 2: Convert to fraction form
    2,261,679.51/3,121,141.95 = 1,229,187.27/x
  3. Step 3: Cross multiply
    2,261,679.51x = 3,121,141.95 × 1,229,187.27
  4. Step 4: Simplify right side
    2,261,679.51x = 3,836,467,952,802.98
  5. Step 5: Solve for x
    x = 3,836,467,952,802.98/2,261,679.51
  6. Step 6: Final answer
    x = 1,696,291.60

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1.5x scale

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.