Finding the Fourth Proportional to 1,863,183.99, 2,571,024.25 and 1,078,114.21
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Solution
The fourth proportional to 1,863,183.99, 2,571,024.25 and 1,078,114.21 is: 1,487,699.43
Step by Step Solution
- Step 1: Write the proportion equation
1,863,183.99 : 2,571,024.25 = 1,078,114.21 : x - Step 2: Convert to fraction form
1,863,183.99/2,571,024.25 = 1,078,114.21/x - Step 3: Cross multiply
1,863,183.99x = 2,571,024.25 × 1,078,114.21 - Step 4: Simplify right side
1,863,183.99x = 2,771,857,764,495.32 - Step 5: Solve for x
x = 2,771,857,764,495.32/1,863,183.99 - Step 6: Final answer
x = 1,487,699.43
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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.