Home / 1,512,111.40-2,268,167.10-976,733.80

Finding the Fourth Proportional to 1,512,111.40, 2,268,167.10 and 976,733.80

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Solution

The fourth proportional to 1,512,111.40, 2,268,167.10 and 976,733.80 is: 1,465,100.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,111.40 : 2,268,167.10 = 976,733.80 : x
  2. Step 2: Convert to fraction form
    1,512,111.40/2,268,167.10 = 976,733.80/x
  3. Step 3: Cross multiply
    1,512,111.40x = 2,268,167.10 × 976,733.80
  4. Step 4: Simplify right side
    1,512,111.40x = 2,215,395,470,617.98
  5. Step 5: Solve for x
    x = 2,215,395,470,617.98/1,512,111.40
  6. Step 6: Final answer
    x = 1,465,100.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.