Finding the Fourth Proportional to 1,528,113.07, 2,292,245.75 and 581,557.15
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Solution
The fourth proportional to 1,528,113.07, 2,292,245.75 and 581,557.15 is: 872,364.70
Step by Step Solution
- Step 1: Write the proportion equation
1,528,113.07 : 2,292,245.75 = 581,557.15 : x - Step 2: Convert to fraction form
1,528,113.07/2,292,245.75 = 581,557.15/x - Step 3: Cross multiply
1,528,113.07x = 2,292,245.75 × 581,557.15 - Step 4: Simplify right side
1,528,113.07x = 1,333,071,906,517.55 - Step 5: Solve for x
x = 1,333,071,906,517.55/1,528,113.07 - Step 6: Final answer
x = 872,364.70
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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.