Home / 2,645,106.64-3,643,768.20-1,917,817.36

Finding the Fourth Proportional to 2,645,106.64, 3,643,768.20 and 1,917,817.36

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Solution

The fourth proportional to 2,645,106.64, 3,643,768.20 and 1,917,817.36 is: 2,641,890.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,645,106.64 : 3,643,768.20 = 1,917,817.36 : x
  2. Step 2: Convert to fraction form
    2,645,106.64/3,643,768.20 = 1,917,817.36/x
  3. Step 3: Cross multiply
    2,645,106.64x = 3,643,768.20 × 1,917,817.36
  4. Step 4: Simplify right side
    2,645,106.64x = 6,988,081,909,775.95
  5. Step 5: Solve for x
    x = 6,988,081,909,775.95/2,645,106.64
  6. Step 6: Final answer
    x = 2,641,890.43

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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.