Home / 3,349,044.90-4,622,025.12-1,972,821.72

Finding the Fourth Proportional to 3,349,044.90, 4,622,025.12 and 1,972,821.72

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Solution

The fourth proportional to 3,349,044.90, 4,622,025.12 and 1,972,821.72 is: 2,722,696.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,349,044.90 : 4,622,025.12 = 1,972,821.72 : x
  2. Step 2: Convert to fraction form
    3,349,044.90/4,622,025.12 = 1,972,821.72/x
  3. Step 3: Cross multiply
    3,349,044.90x = 4,622,025.12 × 1,972,821.72
  4. Step 4: Simplify right side
    3,349,044.90x = 9,118,431,547,121.61
  5. Step 5: Solve for x
    x = 9,118,431,547,121.61/3,349,044.90
  6. Step 6: Final answer
    x = 2,722,696.12

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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.