Home / 2,731,478.38-3,769,440.96-1,507,784.74

Finding the Fourth Proportional to 2,731,478.38, 3,769,440.96 and 1,507,784.74

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Solution

The fourth proportional to 2,731,478.38, 3,769,440.96 and 1,507,784.74 is: 2,080,743.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731,478.38 : 3,769,440.96 = 1,507,784.74 : x
  2. Step 2: Convert to fraction form
    2,731,478.38/3,769,440.96 = 1,507,784.74/x
  3. Step 3: Cross multiply
    2,731,478.38x = 3,769,440.96 × 1,507,784.74
  4. Step 4: Simplify right side
    2,731,478.38x = 5,683,505,557,818.95
  5. Step 5: Solve for x
    x = 5,683,505,557,818.95/2,731,478.38
  6. Step 6: Final answer
    x = 2,080,743.38

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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.