Home / 2,078,326.09-2,867,274.07-1,207,012.53

Finding the Fourth Proportional to 2,078,326.09, 2,867,274.07 and 1,207,012.53

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Solution

The fourth proportional to 2,078,326.09, 2,867,274.07 and 1,207,012.53 is: 1,665,203.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,326.09 : 2,867,274.07 = 1,207,012.53 : x
  2. Step 2: Convert to fraction form
    2,078,326.09/2,867,274.07 = 1,207,012.53/x
  3. Step 3: Cross multiply
    2,078,326.09x = 2,867,274.07 × 1,207,012.53
  4. Step 4: Simplify right side
    2,078,326.09x = 3,460,835,726,416.57
  5. Step 5: Solve for x
    x = 3,460,835,726,416.57/2,078,326.09
  6. Step 6: Final answer
    x = 1,665,203.43

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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.