Home / 2,106,566.78-2,907,062.42-1,139,696.51

Finding the Fourth Proportional to 2,106,566.78, 2,907,062.42 and 1,139,696.51

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Solution

The fourth proportional to 2,106,566.78, 2,907,062.42 and 1,139,696.51 is: 1,572,781.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106,566.78 : 2,907,062.42 = 1,139,696.51 : x
  2. Step 2: Convert to fraction form
    2,106,566.78/2,907,062.42 = 1,139,696.51/x
  3. Step 3: Cross multiply
    2,106,566.78x = 2,907,062.42 × 1,139,696.51
  4. Step 4: Simplify right side
    2,106,566.78x = 3,313,168,874,192.36
  5. Step 5: Solve for x
    x = 3,313,168,874,192.36/2,106,566.78
  6. Step 6: Final answer
    x = 1,572,781.32

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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.