Finding the Fourth Proportional to 1,539,531.70, 2,124,366.35 and 851,107.94
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Solution
The fourth proportional to 1,539,531.70, 2,124,366.35 and 851,107.94 is: 1,174,425.36
Step by Step Solution
- Step 1: Write the proportion equation
1,539,531.70 : 2,124,366.35 = 851,107.94 : x - Step 2: Convert to fraction form
1,539,531.70/2,124,366.35 = 851,107.94/x - Step 3: Cross multiply
1,539,531.70x = 2,124,366.35 × 851,107.94 - Step 4: Simplify right side
1,539,531.70x = 1,808,065,061,042.82 - Step 5: Solve for x
x = 1,808,065,061,042.82/1,539,531.70 - Step 6: Final answer
x = 1,174,425.36
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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.