Home / 5,085,205.43-7,017,640.37-2,992,510.53

Finding the Fourth Proportional to 5,085,205.43, 7,017,640.37 and 2,992,510.53

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Solution

The fourth proportional to 5,085,205.43, 7,017,640.37 and 2,992,510.53 is: 4,129,698.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,085,205.43 : 7,017,640.37 = 2,992,510.53 : x
  2. Step 2: Convert to fraction form
    5,085,205.43/7,017,640.37 = 2,992,510.53/x
  3. Step 3: Cross multiply
    5,085,205.43x = 7,017,640.37 × 2,992,510.53
  4. Step 4: Simplify right side
    5,085,205.43x = 21,000,362,718,974.57
  5. Step 5: Solve for x
    x = 21,000,362,718,974.57/5,085,205.43
  6. Step 6: Final answer
    x = 4,129,698.00

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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.