Finding the Fourth Proportional to 1,828,208.21, 2,743,362.36 and 1,427,724.77
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Solution
The fourth proportional to 1,828,208.21, 2,743,362.36 and 1,427,724.77 is: 2,142,407.18
Step by Step Solution
- Step 1: Write the proportion equation
1,828,208.21 : 2,743,362.36 = 1,427,724.77 : x - Step 2: Convert to fraction form
1,828,208.21/2,743,362.36 = 1,427,724.77/x - Step 3: Cross multiply
1,828,208.21x = 2,743,362.36 × 1,427,724.77 - Step 4: Simplify right side
1,828,208.21x = 3,916,766,380,740.85 - Step 5: Solve for x
x = 3,916,766,380,740.85/1,828,208.21 - Step 6: Final answer
x = 2,142,407.18
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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.