Home / 2,648,625.80-3,972,938.70-965,784.20

Finding the Fourth Proportional to 2,648,625.80, 3,972,938.70 and 965,784.20

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Solution

The fourth proportional to 2,648,625.80, 3,972,938.70 and 965,784.20 is: 1,448,676.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,648,625.80 : 3,972,938.70 = 965,784.20 : x
  2. Step 2: Convert to fraction form
    2,648,625.80/3,972,938.70 = 965,784.20/x
  3. Step 3: Cross multiply
    2,648,625.80x = 3,972,938.70 × 965,784.20
  4. Step 4: Simplify right side
    2,648,625.80x = 3,837,001,424,028.54
  5. Step 5: Solve for x
    x = 3,837,001,424,028.54/2,648,625.80
  6. Step 6: Final answer
    x = 1,448,676.30

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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.