Home / 2,943,186.91-4,059,068.78-1,909,676.32

Finding the Fourth Proportional to 2,943,186.91, 4,059,068.78 and 1,909,676.32

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Solution

The fourth proportional to 2,943,186.91, 4,059,068.78 and 1,909,676.32 is: 2,633,712.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943,186.91 : 4,059,068.78 = 1,909,676.32 : x
  2. Step 2: Convert to fraction form
    2,943,186.91/4,059,068.78 = 1,909,676.32/x
  3. Step 3: Cross multiply
    2,943,186.91x = 4,059,068.78 × 1,909,676.32
  4. Step 4: Simplify right side
    2,943,186.91x = 7,751,507,530,417.29
  5. Step 5: Solve for x
    x = 7,751,507,530,417.29/2,943,186.91
  6. Step 6: Final answer
    x = 2,633,712.29

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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.