Home / 3,984,801-5,977,201.50-1,325,409

Finding the Fourth Proportional to 3,984,801, 5,977,201.50 and 1,325,409

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Solution

The fourth proportional to 3,984,801, 5,977,201.50 and 1,325,409 is: 1,988,113.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,984,801 : 5,977,201.50 = 1,325,409 : x
  2. Step 2: Convert to fraction form
    3,984,801/5,977,201.50 = 1,325,409/x
  3. Step 3: Cross multiply
    3,984,801x = 5,977,201.50 × 1,325,409
  4. Step 4: Simplify right side
    3,984,801x = 7,922,236,662,913.50
  5. Step 5: Solve for x
    x = 7,922,236,662,913.50/3,984,801
  6. Step 6: Final answer
    x = 1,988,113.50

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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.