Home / 4,874,242.81-6,724,337.43-2,939,428.21

Finding the Fourth Proportional to 4,874,242.81, 6,724,337.43 and 2,939,428.21

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Solution

The fourth proportional to 4,874,242.81, 6,724,337.43 and 2,939,428.21 is: 4,055,133.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,874,242.81 : 6,724,337.43 = 2,939,428.21 : x
  2. Step 2: Convert to fraction form
    4,874,242.81/6,724,337.43 = 2,939,428.21/x
  3. Step 3: Cross multiply
    4,874,242.81x = 6,724,337.43 × 2,939,428.21
  4. Step 4: Simplify right side
    4,874,242.81x = 19,765,707,135,300.90
  5. Step 5: Solve for x
    x = 19,765,707,135,300.90/4,874,242.81
  6. Step 6: Final answer
    x = 4,055,133.88

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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.