Home / 1,907,570.76-2,630,640.30-1,253,045.40

Finding the Fourth Proportional to 1,907,570.76, 2,630,640.30 and 1,253,045.40

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Solution

The fourth proportional to 1,907,570.76, 2,630,640.30 and 1,253,045.40 is: 1,728,015.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907,570.76 : 2,630,640.30 = 1,253,045.40 : x
  2. Step 2: Convert to fraction form
    1,907,570.76/2,630,640.30 = 1,253,045.40/x
  3. Step 3: Cross multiply
    1,907,570.76x = 2,630,640.30 × 1,253,045.40
  4. Step 4: Simplify right side
    1,907,570.76x = 3,296,311,726,969.62
  5. Step 5: Solve for x
    x = 3,296,311,726,969.62/1,907,570.76
  6. Step 6: Final answer
    x = 1,728,015.44

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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.