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Finding the Fourth Proportional to 2,147,649, 3,221,492.94 and 651,741

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Solution

The fourth proportional to 2,147,649, 3,221,492.94 and 651,741 is: 977,617.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,649 : 3,221,492.94 = 651,741 : x
  2. Step 2: Convert to fraction form
    2,147,649/3,221,492.94 = 651,741/x
  3. Step 3: Cross multiply
    2,147,649x = 3,221,492.94 × 651,741
  4. Step 4: Simplify right side
    2,147,649x = 2,099,579,030,208.54
  5. Step 5: Solve for x
    x = 2,099,579,030,208.54/2,147,649
  6. Step 6: Final answer
    x = 977,617.40

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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.