Home / 1,905,104.64-2,858,154.92-1,105,617.63

Finding the Fourth Proportional to 1,905,104.64, 2,858,154.92 and 1,105,617.63

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Solution

The fourth proportional to 1,905,104.64, 2,858,154.92 and 1,105,617.63 is: 1,658,715.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905,104.64 : 2,858,154.92 = 1,105,617.63 : x
  2. Step 2: Convert to fraction form
    1,905,104.64/2,858,154.92 = 1,105,617.63/x
  3. Step 3: Cross multiply
    1,905,104.64x = 2,858,154.92 × 1,105,617.63
  4. Step 4: Simplify right side
    1,905,104.64x = 3,160,026,463,295.15
  5. Step 5: Solve for x
    x = 3,160,026,463,295.15/1,905,104.64
  6. Step 6: Final answer
    x = 1,658,715.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.