Home / 1,512,145.58-2,085,359.23-1,103,600.31

Finding the Fourth Proportional to 1,512,145.58, 2,085,359.23 and 1,103,600.31

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Solution

The fourth proportional to 1,512,145.58, 2,085,359.23 and 1,103,600.31 is: 1,521,945.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,145.58 : 2,085,359.23 = 1,103,600.31 : x
  2. Step 2: Convert to fraction form
    1,512,145.58/2,085,359.23 = 1,103,600.31/x
  3. Step 3: Cross multiply
    1,512,145.58x = 2,085,359.23 × 1,103,600.31
  4. Step 4: Simplify right side
    1,512,145.58x = 2,301,403,091,771.16
  5. Step 5: Solve for x
    x = 2,301,403,091,771.16/1,512,145.58
  6. Step 6: Final answer
    x = 1,521,945.45

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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.