Home / 1,905,127.25-2,629,074.58-1,078,185.80

Finding the Fourth Proportional to 1,905,127.25, 2,629,074.58 and 1,078,185.80

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Solution

The fourth proportional to 1,905,127.25, 2,629,074.58 and 1,078,185.80 is: 1,487,895.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905,127.25 : 2,629,074.58 = 1,078,185.80 : x
  2. Step 2: Convert to fraction form
    1,905,127.25/2,629,074.58 = 1,078,185.80/x
  3. Step 3: Cross multiply
    1,905,127.25x = 2,629,074.58 × 1,078,185.80
  4. Step 4: Simplify right side
    1,905,127.25x = 2,834,630,879,296.96
  5. Step 5: Solve for x
    x = 2,834,630,879,296.96/1,905,127.25
  6. Step 6: Final answer
    x = 1,487,895.82

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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.