Finding the Fourth Proportional to 1,972,025.16, 2,958,421.16 and 757,512.99
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Solution
The fourth proportional to 1,972,025.16, 2,958,421.16 and 757,512.99 is: 1,136,416.77
Step by Step Solution
- Step 1: Write the proportion equation
1,972,025.16 : 2,958,421.16 = 757,512.99 : x - Step 2: Convert to fraction form
1,972,025.16/2,958,421.16 = 757,512.99/x - Step 3: Cross multiply
1,972,025.16x = 2,958,421.16 × 757,512.99 - Step 4: Simplify right side
1,972,025.16x = 2,241,042,454,803.30 - Step 5: Solve for x
x = 2,241,042,454,803.30/1,972,025.16 - Step 6: Final answer
x = 1,136,416.77
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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.