Home / 2,019,873.40-2,788,435.38-1,256,173

Finding the Fourth Proportional to 2,019,873.40, 2,788,435.38 and 1,256,173

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Solution

The fourth proportional to 2,019,873.40, 2,788,435.38 and 1,256,173 is: 1,734,146.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019,873.40 : 2,788,435.38 = 1,256,173 : x
  2. Step 2: Convert to fraction form
    2,019,873.40/2,788,435.38 = 1,256,173/x
  3. Step 3: Cross multiply
    2,019,873.40x = 2,788,435.38 × 1,256,173
  4. Step 4: Simplify right side
    2,019,873.40x = 3,502,757,236,600.74
  5. Step 5: Solve for x
    x = 3,502,757,236,600.74/2,019,873.40
  6. Step 6: Final answer
    x = 1,734,146.92

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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.