Home / 2,153,546.77-2,971,894.82-1,173,485.96

Finding the Fourth Proportional to 2,153,546.77, 2,971,894.82 and 1,173,485.96

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Solution

The fourth proportional to 2,153,546.77, 2,971,894.82 and 1,173,485.96 is: 1,619,410.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,546.77 : 2,971,894.82 = 1,173,485.96 : x
  2. Step 2: Convert to fraction form
    2,153,546.77/2,971,894.82 = 1,173,485.96/x
  3. Step 3: Cross multiply
    2,153,546.77x = 2,971,894.82 × 1,173,485.96
  4. Step 4: Simplify right side
    2,153,546.77x = 3,487,476,849,214.88
  5. Step 5: Solve for x
    x = 3,487,476,849,214.88/2,153,546.77
  6. Step 6: Final answer
    x = 1,619,410.78

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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.