Finding the Fourth Proportional to 1,509,902.94, 2,083,603.19 and 821,577.50
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Solution
The fourth proportional to 1,509,902.94, 2,083,603.19 and 821,577.50 is: 1,133,742.73
Step by Step Solution
- Step 1: Write the proportion equation
1,509,902.94 : 2,083,603.19 = 821,577.50 : x - Step 2: Convert to fraction form
1,509,902.94/2,083,603.19 = 821,577.50/x - Step 3: Cross multiply
1,509,902.94x = 2,083,603.19 × 821,577.50 - Step 4: Simplify right side
1,509,902.94x = 1,711,841,485,306.32 - Step 5: Solve for x
x = 1,711,841,485,306.32/1,509,902.94 - Step 6: Final answer
x = 1,133,742.73
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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.