Home / 2,988,256.73-4,459,078.51-2,666,194.65

Finding the Fourth Proportional to 2,988,256.73, 4,459,078.51 and 2,666,194.65

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Solution

The fourth proportional to 2,988,256.73, 4,459,078.51 and 2,666,194.65 is: 3,978,497.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988,256.73 : 4,459,078.51 = 2,666,194.65 : x
  2. Step 2: Convert to fraction form
    2,988,256.73/4,459,078.51 = 2,666,194.65/x
  3. Step 3: Cross multiply
    2,988,256.73x = 4,459,078.51 × 2,666,194.65
  4. Step 4: Simplify right side
    2,988,256.73x = 11,888,771,260,626.48
  5. Step 5: Solve for x
    x = 11,888,771,260,626.48/2,988,256.73
  6. Step 6: Final answer
    x = 3,978,497.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.