Home / 3,086,386.20-4,259,166.30-1,728,307.80

Finding the Fourth Proportional to 3,086,386.20, 4,259,166.30 and 1,728,307.80

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Solution

The fourth proportional to 3,086,386.20, 4,259,166.30 and 1,728,307.80 is: 2,385,038.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086,386.20 : 4,259,166.30 = 1,728,307.80 : x
  2. Step 2: Convert to fraction form
    3,086,386.20/4,259,166.30 = 1,728,307.80/x
  3. Step 3: Cross multiply
    3,086,386.20x = 4,259,166.30 × 1,728,307.80
  4. Step 4: Simplify right side
    3,086,386.20x = 7,361,150,337,787.14
  5. Step 5: Solve for x
    x = 7,361,150,337,787.14/3,086,386.20
  6. Step 6: Final answer
    x = 2,385,038.64

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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.