Home / 1,936,681.38-2,905,022.34-516,742.74

Finding the Fourth Proportional to 1,936,681.38, 2,905,022.34 and 516,742.74

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Solution

The fourth proportional to 1,936,681.38, 2,905,022.34 and 516,742.74 is: 775,114.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936,681.38 : 2,905,022.34 = 516,742.74 : x
  2. Step 2: Convert to fraction form
    1,936,681.38/2,905,022.34 = 516,742.74/x
  3. Step 3: Cross multiply
    1,936,681.38x = 2,905,022.34 × 516,742.74
  4. Step 4: Simplify right side
    1,936,681.38x = 1,501,149,203,732.81
  5. Step 5: Solve for x
    x = 1,501,149,203,732.81/1,936,681.38
  6. Step 6: Final answer
    x = 775,114.18

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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.