Finding the Fourth Proportional to 1,770,509.25, 2,443,463.79 and 1,006,560.99
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Solution
The fourth proportional to 1,770,509.25, 2,443,463.79 and 1,006,560.99 is: 1,389,145.71
Step by Step Solution
- Step 1: Write the proportion equation
1,770,509.25 : 2,443,463.79 = 1,006,560.99 : x - Step 2: Convert to fraction form
1,770,509.25/2,443,463.79 = 1,006,560.99/x - Step 3: Cross multiply
1,770,509.25x = 2,443,463.79 × 1,006,560.99 - Step 4: Simplify right side
1,770,509.25x = 2,459,495,331,491.55 - Step 5: Solve for x
x = 2,459,495,331,491.55/1,770,509.25 - Step 6: Final answer
x = 1,389,145.71
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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.