Finding the Fourth Proportional to 1,972,197.74, 2,958,739.96 and 624,440.90
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Solution
The fourth proportional to 1,972,197.74, 2,958,739.96 and 624,440.90 is: 936,801.72
Step by Step Solution
- Step 1: Write the proportion equation
1,972,197.74 : 2,958,739.96 = 624,440.90 : x - Step 2: Convert to fraction form
1,972,197.74/2,958,739.96 = 624,440.90/x - Step 3: Cross multiply
1,972,197.74x = 2,958,739.96 × 624,440.90 - Step 4: Simplify right side
1,972,197.74x = 1,847,558,243,488.36 - Step 5: Solve for x
x = 1,847,558,243,488.36/1,972,197.74 - Step 6: Final answer
x = 936,801.72
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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.