Home / 2,288,889.36-3,158,603.64-1,256,396.40

Finding the Fourth Proportional to 2,288,889.36, 3,158,603.64 and 1,256,396.40

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Solution

The fourth proportional to 2,288,889.36, 3,158,603.64 and 1,256,396.40 is: 1,733,792.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288,889.36 : 3,158,603.64 = 1,256,396.40 : x
  2. Step 2: Convert to fraction form
    2,288,889.36/3,158,603.64 = 1,256,396.40/x
  3. Step 3: Cross multiply
    2,288,889.36x = 3,158,603.64 × 1,256,396.40
  4. Step 4: Simplify right side
    2,288,889.36x = 3,968,458,242,322.90
  5. Step 5: Solve for x
    x = 3,968,458,242,322.90/2,288,889.36
  6. Step 6: Final answer
    x = 1,733,792.08

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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.