Finding the Fourth Proportional to 2,086,101.36, 3,129,152.16 and 1,342,871.28
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Solution
The fourth proportional to 2,086,101.36, 3,129,152.16 and 1,342,871.28 is: 2,014,307.00
Step by Step Solution
- Step 1: Write the proportion equation
2,086,101.36 : 3,129,152.16 = 1,342,871.28 : x - Step 2: Convert to fraction form
2,086,101.36/3,129,152.16 = 1,342,871.28/x - Step 3: Cross multiply
2,086,101.36x = 3,129,152.16 × 1,342,871.28 - Step 4: Simplify right side
2,086,101.36x = 4,202,048,566,413.97 - Step 5: Solve for x
x = 4,202,048,566,413.97/2,086,101.36 - Step 6: Final answer
x = 2,014,307.00
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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.