Home / 2,956,629.78-4,079,904.72-1,667,786.94

Finding the Fourth Proportional to 2,956,629.78, 4,079,904.72 and 1,667,786.94

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Solution

The fourth proportional to 2,956,629.78, 4,079,904.72 and 1,667,786.94 is: 2,301,408.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956,629.78 : 4,079,904.72 = 1,667,786.94 : x
  2. Step 2: Convert to fraction form
    2,956,629.78/4,079,904.72 = 1,667,786.94/x
  3. Step 3: Cross multiply
    2,956,629.78x = 4,079,904.72 × 1,667,786.94
  4. Step 4: Simplify right side
    2,956,629.78x = 6,804,411,808,460.36
  5. Step 5: Solve for x
    x = 6,804,411,808,460.36/2,956,629.78
  6. Step 6: Final answer
    x = 2,301,408.13

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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.