Home / 2,168,538.80-2,992,601.12-1,201,685.24

Finding the Fourth Proportional to 2,168,538.80, 2,992,601.12 and 1,201,685.24

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Solution

The fourth proportional to 2,168,538.80, 2,992,601.12 and 1,201,685.24 is: 1,658,335.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168,538.80 : 2,992,601.12 = 1,201,685.24 : x
  2. Step 2: Convert to fraction form
    2,168,538.80/2,992,601.12 = 1,201,685.24/x
  3. Step 3: Cross multiply
    2,168,538.80x = 2,992,601.12 × 1,201,685.24
  4. Step 4: Simplify right side
    2,168,538.80x = 3,596,164,595,111.47
  5. Step 5: Solve for x
    x = 3,596,164,595,111.47/2,168,538.80
  6. Step 6: Final answer
    x = 1,658,335.37

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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.