Home / 2,168,538.73-2,992,601.03-1,201,685.18

Finding the Fourth Proportional to 2,168,538.73, 2,992,601.03 and 1,201,685.18

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Solution

The fourth proportional to 2,168,538.73, 2,992,601.03 and 1,201,685.18 is: 1,658,335.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168,538.73 : 2,992,601.03 = 1,201,685.18 : x
  2. Step 2: Convert to fraction form
    2,168,538.73/2,992,601.03 = 1,201,685.18/x
  3. Step 3: Cross multiply
    2,168,538.73x = 2,992,601.03 × 1,201,685.18
  4. Step 4: Simplify right side
    2,168,538.73x = 3,596,164,286,432.30
  5. Step 5: Solve for x
    x = 3,596,164,286,432.30/2,168,538.73
  6. Step 6: Final answer
    x = 1,658,335.28

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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.