Home / 2,101,641.75-2,900,268.90-1,196,223.75

Finding the Fourth Proportional to 2,101,641.75, 2,900,268.90 and 1,196,223.75

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Solution

The fourth proportional to 2,101,641.75, 2,900,268.90 and 1,196,223.75 is: 1,650,790.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101,641.75 : 2,900,268.90 = 1,196,223.75 : x
  2. Step 2: Convert to fraction form
    2,101,641.75/2,900,268.90 = 1,196,223.75/x
  3. Step 3: Cross multiply
    2,101,641.75x = 2,900,268.90 × 1,196,223.75
  4. Step 4: Simplify right side
    2,101,641.75x = 3,469,370,539,566.38
  5. Step 5: Solve for x
    x = 3,469,370,539,566.38/2,101,641.75
  6. Step 6: Final answer
    x = 1,650,790.64

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1.5x scale

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.