Home / 2,100,904.60-3,147,728.10-976,667.80

Finding the Fourth Proportional to 2,100,904.60, 3,147,728.10 and 976,667.80

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Solution

The fourth proportional to 2,100,904.60, 3,147,728.10 and 976,667.80 is: 1,463,314.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100,904.60 : 3,147,728.10 = 976,667.80 : x
  2. Step 2: Convert to fraction form
    2,100,904.60/3,147,728.10 = 976,667.80/x
  3. Step 3: Cross multiply
    2,100,904.60x = 3,147,728.10 × 976,667.80
  4. Step 4: Simplify right side
    2,100,904.60x = 3,074,284,678,425.18
  5. Step 5: Solve for x
    x = 3,074,284,678,425.18/2,100,904.60
  6. Step 6: Final answer
    x = 1,463,314.74

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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.