Home / 2,874,608.78-4,312,343.81-928,687.14

Finding the Fourth Proportional to 2,874,608.78, 4,312,343.81 and 928,687.14

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Solution

The fourth proportional to 2,874,608.78, 4,312,343.81 and 928,687.14 is: 1,393,169.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874,608.78 : 4,312,343.81 = 928,687.14 : x
  2. Step 2: Convert to fraction form
    2,874,608.78/4,312,343.81 = 928,687.14/x
  3. Step 3: Cross multiply
    2,874,608.78x = 4,312,343.81 × 928,687.14
  4. Step 4: Simplify right side
    2,874,608.78x = 4,004,818,241,927.32
  5. Step 5: Solve for x
    x = 4,004,818,241,927.32/2,874,608.78
  6. Step 6: Final answer
    x = 1,393,169.84

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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.