Home / 2,106,742.89-2,907,284.49-1,139,851.97

Finding the Fourth Proportional to 2,106,742.89, 2,907,284.49 and 1,139,851.97

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Solution

The fourth proportional to 2,106,742.89, 2,907,284.49 and 1,139,851.97 is: 1,572,984.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106,742.89 : 2,907,284.49 = 1,139,851.97 : x
  2. Step 2: Convert to fraction form
    2,106,742.89/2,907,284.49 = 1,139,851.97/x
  3. Step 3: Cross multiply
    2,106,742.89x = 2,907,284.49 × 1,139,851.97
  4. Step 4: Simplify right side
    2,106,742.89x = 3,313,873,938,740.52
  5. Step 5: Solve for x
    x = 3,313,873,938,740.52/2,106,742.89
  6. Step 6: Final answer
    x = 1,572,984.51

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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.