Finding the Fourth Proportional to 5,516,474.97, 7,612,712.06 and 3,069,320.25
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Solution
The fourth proportional to 5,516,474.97, 7,612,712.06 and 3,069,320.25 is: 4,235,648.92
Step by Step Solution
- Step 1: Write the proportion equation
5,516,474.97 : 7,612,712.06 = 3,069,320.25 : x - Step 2: Convert to fraction form
5,516,474.97/7,612,712.06 = 3,069,320.25/x - Step 3: Cross multiply
5,516,474.97x = 7,612,712.06 × 3,069,320.25 - Step 4: Simplify right side
5,516,474.97x = 23,365,851,267,830.61 - Step 5: Solve for x
x = 23,365,851,267,830.61/5,516,474.97 - Step 6: Final answer
x = 4,235,648.92
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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.