Home / 2,943,187.92-4,059,070.38-1,909,677.60

Finding the Fourth Proportional to 2,943,187.92, 4,059,070.38 and 1,909,677.60

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Solution

The fourth proportional to 2,943,187.92, 4,059,070.38 and 1,909,677.60 is: 2,633,714.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943,187.92 : 4,059,070.38 = 1,909,677.60 : x
  2. Step 2: Convert to fraction form
    2,943,187.92/4,059,070.38 = 1,909,677.60/x
  3. Step 3: Cross multiply
    2,943,187.92x = 4,059,070.38 × 1,909,677.60
  4. Step 4: Simplify right side
    2,943,187.92x = 7,751,515,781,509.49
  5. Step 5: Solve for x
    x = 7,751,515,781,509.49/2,943,187.92
  6. Step 6: Final answer
    x = 2,633,714.19

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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.