Home / 1,907,262.90-2,631,360.98-1,219,337.44

Finding the Fourth Proportional to 1,907,262.90, 2,631,360.98 and 1,219,337.44

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Solution

The fourth proportional to 1,907,262.90, 2,631,360.98 and 1,219,337.44 is: 1,682,262.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907,262.90 : 2,631,360.98 = 1,219,337.44 : x
  2. Step 2: Convert to fraction form
    1,907,262.90/2,631,360.98 = 1,219,337.44/x
  3. Step 3: Cross multiply
    1,907,262.90x = 2,631,360.98 × 1,219,337.44
  4. Step 4: Simplify right side
    1,907,262.90x = 3,208,516,961,069.09
  5. Step 5: Solve for x
    x = 3,208,516,961,069.09/1,907,262.90
  6. Step 6: Final answer
    x = 1,682,262.56

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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.