Home / 2,185,697.12-3,016,281.65-1,205,673.66

Finding the Fourth Proportional to 2,185,697.12, 3,016,281.65 and 1,205,673.66

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Solution

The fourth proportional to 2,185,697.12, 3,016,281.65 and 1,205,673.66 is: 1,663,840.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185,697.12 : 3,016,281.65 = 1,205,673.66 : x
  2. Step 2: Convert to fraction form
    2,185,697.12/3,016,281.65 = 1,205,673.66/x
  3. Step 3: Cross multiply
    2,185,697.12x = 3,016,281.65 × 1,205,673.66
  4. Step 4: Simplify right side
    2,185,697.12x = 3,636,651,330,517.97
  5. Step 5: Solve for x
    x = 3,636,651,330,517.97/2,185,697.12
  6. Step 6: Final answer
    x = 1,663,840.48

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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.