Home / 1,977,450.24-2,967,057.60-911,920.32

Finding the Fourth Proportional to 1,977,450.24, 2,967,057.60 and 911,920.32

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Solution

The fourth proportional to 1,977,450.24, 2,967,057.60 and 911,920.32 is: 1,368,287.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,450.24 : 2,967,057.60 = 911,920.32 : x
  2. Step 2: Convert to fraction form
    1,977,450.24/2,967,057.60 = 911,920.32/x
  3. Step 3: Cross multiply
    1,977,450.24x = 2,967,057.60 × 911,920.32
  4. Step 4: Simplify right side
    1,977,450.24x = 2,705,720,116,050.43
  5. Step 5: Solve for x
    x = 2,705,720,116,050.43/1,977,450.24
  6. Step 6: Final answer
    x = 1,368,287.33

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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.