Home / 1,508,122.34-2,081,194.16-1,122,661.52

Finding the Fourth Proportional to 1,508,122.34, 2,081,194.16 and 1,122,661.52

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Solution

The fourth proportional to 1,508,122.34, 2,081,194.16 and 1,122,661.52 is: 1,549,261.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,122.34 : 2,081,194.16 = 1,122,661.52 : x
  2. Step 2: Convert to fraction form
    1,508,122.34/2,081,194.16 = 1,122,661.52/x
  3. Step 3: Cross multiply
    1,508,122.34x = 2,081,194.16 × 1,122,661.52
  4. Step 4: Simplify right side
    1,508,122.34x = 2,336,476,599,080.72
  5. Step 5: Solve for x
    x = 2,336,476,599,080.72/1,508,122.34
  6. Step 6: Final answer
    x = 1,549,261.98

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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.