Home / 2,117,585.38-2,922,661.48-1,212,167.38

Finding the Fourth Proportional to 2,117,585.38, 2,922,661.48 and 1,212,167.38

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Solution

The fourth proportional to 2,117,585.38, 2,922,661.48 and 1,212,167.38 is: 1,673,016.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117,585.38 : 2,922,661.48 = 1,212,167.38 : x
  2. Step 2: Convert to fraction form
    2,117,585.38/2,922,661.48 = 1,212,167.38/x
  3. Step 3: Cross multiply
    2,117,585.38x = 2,922,661.48 × 1,212,167.38
  4. Step 4: Simplify right side
    2,117,585.38x = 3,542,754,894,225.22
  5. Step 5: Solve for x
    x = 3,542,754,894,225.22/2,117,585.38
  6. Step 6: Final answer
    x = 1,673,016.32

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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.