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Finding the Fourth Proportional to 1,775,465, 2,450,150.34 and 970,649

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Solution

The fourth proportional to 1,775,465, 2,450,150.34 and 970,649 is: 1,339,500.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,465 : 2,450,150.34 = 970,649 : x
  2. Step 2: Convert to fraction form
    1,775,465/2,450,150.34 = 970,649/x
  3. Step 3: Cross multiply
    1,775,465x = 2,450,150.34 × 970,649
  4. Step 4: Simplify right side
    1,775,465x = 2,378,235,977,370.66
  5. Step 5: Solve for x
    x = 2,378,235,977,370.66/1,775,465
  6. Step 6: Final answer
    x = 1,339,500.34

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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.