Home / 1,945,957.42-2,685,587.30-1,086,683.76

Finding the Fourth Proportional to 1,945,957.42, 2,685,587.30 and 1,086,683.76

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Solution

The fourth proportional to 1,945,957.42, 2,685,587.30 and 1,086,683.76 is: 1,499,716.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945,957.42 : 2,685,587.30 = 1,086,683.76 : x
  2. Step 2: Convert to fraction form
    1,945,957.42/2,685,587.30 = 1,086,683.76/x
  3. Step 3: Cross multiply
    1,945,957.42x = 2,685,587.30 × 1,086,683.76
  4. Step 4: Simplify right side
    1,945,957.42x = 2,918,384,104,972.25
  5. Step 5: Solve for x
    x = 2,918,384,104,972.25/1,945,957.42
  6. Step 6: Final answer
    x = 1,499,716.32

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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.