Home / 1,879,638.36-2,593,903.44-1,020,198.60

Finding the Fourth Proportional to 1,879,638.36, 2,593,903.44 and 1,020,198.60

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Solution

The fourth proportional to 1,879,638.36, 2,593,903.44 and 1,020,198.60 is: 1,407,875.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879,638.36 : 2,593,903.44 = 1,020,198.60 : x
  2. Step 2: Convert to fraction form
    1,879,638.36/2,593,903.44 = 1,020,198.60/x
  3. Step 3: Cross multiply
    1,879,638.36x = 2,593,903.44 × 1,020,198.60
  4. Step 4: Simplify right side
    1,879,638.36x = 2,646,296,658,023.18
  5. Step 5: Solve for x
    x = 2,646,296,658,023.18/1,879,638.36
  6. Step 6: Final answer
    x = 1,407,875.43

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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.