Home / 2,130,786.36-2,940,372.63-1,163,902.86

Finding the Fourth Proportional to 2,130,786.36, 2,940,372.63 and 1,163,902.86

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Solution

The fourth proportional to 2,130,786.36, 2,940,372.63 and 1,163,902.86 is: 1,606,124.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,786.36 : 2,940,372.63 = 1,163,902.86 : x
  2. Step 2: Convert to fraction form
    2,130,786.36/2,940,372.63 = 1,163,902.86/x
  3. Step 3: Cross multiply
    2,130,786.36x = 2,940,372.63 × 1,163,902.86
  4. Step 4: Simplify right side
    2,130,786.36x = 3,422,308,113,522.72
  5. Step 5: Solve for x
    x = 3,422,308,113,522.72/2,130,786.36
  6. Step 6: Final answer
    x = 1,606,124.47

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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.