Home / 2,170,205.39-2,994,608.19-1,189,886.46

Finding the Fourth Proportional to 2,170,205.39, 2,994,608.19 and 1,189,886.46

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Solution

The fourth proportional to 2,170,205.39, 2,994,608.19 and 1,189,886.46 is: 1,641,892.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170,205.39 : 2,994,608.19 = 1,189,886.46 : x
  2. Step 2: Convert to fraction form
    2,170,205.39/2,994,608.19 = 1,189,886.46/x
  3. Step 3: Cross multiply
    2,170,205.39x = 2,994,608.19 × 1,189,886.46
  4. Step 4: Simplify right side
    2,170,205.39x = 3,563,243,724,825.29
  5. Step 5: Solve for x
    x = 3,563,243,724,825.29/2,170,205.39
  6. Step 6: Final answer
    x = 1,641,892.39

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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.