Home / 2,142,873.63-2,957,072.47-1,176,019.97

Finding the Fourth Proportional to 2,142,873.63, 2,957,072.47 and 1,176,019.97

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Solution

The fourth proportional to 2,142,873.63, 2,957,072.47 and 1,176,019.97 is: 1,622,856.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,873.63 : 2,957,072.47 = 1,176,019.97 : x
  2. Step 2: Convert to fraction form
    2,142,873.63/2,957,072.47 = 1,176,019.97/x
  3. Step 3: Cross multiply
    2,142,873.63x = 2,957,072.47 × 1,176,019.97
  4. Step 4: Simplify right side
    2,142,873.63x = 3,477,576,259,731.81
  5. Step 5: Solve for x
    x = 3,477,576,259,731.81/2,142,873.63
  6. Step 6: Final answer
    x = 1,622,856.43

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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.