Finding the Fourth Proportional to 2,921,852.28, 4,032,078.84 and 1,632,703.32
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Solution
The fourth proportional to 2,921,852.28, 4,032,078.84 and 1,632,703.32 is: 2,253,087.38
Step by Step Solution
- Step 1: Write the proportion equation
2,921,852.28 : 4,032,078.84 = 1,632,703.32 : x - Step 2: Convert to fraction form
2,921,852.28/4,032,078.84 = 1,632,703.32/x - Step 3: Cross multiply
2,921,852.28x = 4,032,078.84 × 1,632,703.32 - Step 4: Simplify right side
2,921,852.28x = 6,583,188,508,569.75 - Step 5: Solve for x
x = 6,583,188,508,569.75/2,921,852.28 - Step 6: Final answer
x = 2,253,087.38
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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.