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Finding the Fourth Proportional to 2,803,515.22, 3,868,852.50 and 1,514,355.58

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Solution

The fourth proportional to 2,803,515.22, 3,868,852.50 and 1,514,355.58 is: 2,089,811.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803,515.22 : 3,868,852.50 = 1,514,355.58 : x
  2. Step 2: Convert to fraction form
    2,803,515.22/3,868,852.50 = 1,514,355.58/x
  3. Step 3: Cross multiply
    2,803,515.22x = 3,868,852.50 × 1,514,355.58
  4. Step 4: Simplify right side
    2,803,515.22x = 5,858,818,371,571.95
  5. Step 5: Solve for x
    x = 5,858,818,371,571.95/2,803,515.22
  6. Step 6: Final answer
    x = 2,089,811.51

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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.