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Finding the Fourth Proportional to 3,798,502.32, 5,241,948.48 and 2,079,782.76

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Solution

The fourth proportional to 3,798,502.32, 5,241,948.48 and 2,079,782.76 is: 2,870,108.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,798,502.32 : 5,241,948.48 = 2,079,782.76 : x
  2. Step 2: Convert to fraction form
    3,798,502.32/5,241,948.48 = 2,079,782.76/x
  3. Step 3: Cross multiply
    3,798,502.32x = 5,241,948.48 × 2,079,782.76
  4. Step 4: Simplify right side
    3,798,502.32x = 10,902,114,077,512.21
  5. Step 5: Solve for x
    x = 10,902,114,077,512.21/3,798,502.32
  6. Step 6: Final answer
    x = 2,870,108.57

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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.