Home / 1,945,338.36-2,684,556.63-1,129,742.52

Finding the Fourth Proportional to 1,945,338.36, 2,684,556.63 and 1,129,742.52

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Solution

The fourth proportional to 1,945,338.36, 2,684,556.63 and 1,129,742.52 is: 1,559,038.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945,338.36 : 2,684,556.63 = 1,129,742.52 : x
  2. Step 2: Convert to fraction form
    1,945,338.36/2,684,556.63 = 1,129,742.52/x
  3. Step 3: Cross multiply
    1,945,338.36x = 2,684,556.63 × 1,129,742.52
  4. Step 4: Simplify right side
    1,945,338.36x = 3,032,857,772,258.91
  5. Step 5: Solve for x
    x = 3,032,857,772,258.91/1,945,338.36
  6. Step 6: Final answer
    x = 1,559,038.69

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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.