Home / 5,138,341.71-7,090,010.32-2,932,197.26

Finding the Fourth Proportional to 5,138,341.71, 7,090,010.32 and 2,932,197.26

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Solution

The fourth proportional to 5,138,341.71, 7,090,010.32 and 2,932,197.26 is: 4,045,917.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,138,341.71 : 7,090,010.32 = 2,932,197.26 : x
  2. Step 2: Convert to fraction form
    5,138,341.71/7,090,010.32 = 2,932,197.26/x
  3. Step 3: Cross multiply
    5,138,341.71x = 7,090,010.32 × 2,932,197.26
  4. Step 4: Simplify right side
    5,138,341.71x = 20,789,308,833,675.72
  5. Step 5: Solve for x
    x = 20,789,308,833,675.72/5,138,341.71
  6. Step 6: Final answer
    x = 4,045,917.93

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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.