Finding the Fourth Proportional to 3,730,078.99, 5,140,473.33 and 3,268,184.59
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Solution
The fourth proportional to 3,730,078.99, 5,140,473.33 and 3,268,184.59 is: 4,503,930.28
Step by Step Solution
- Step 1: Write the proportion equation
3,730,078.99 : 5,140,473.33 = 3,268,184.59 : x - Step 2: Convert to fraction form
3,730,078.99/5,140,473.33 = 3,268,184.59/x - Step 3: Cross multiply
3,730,078.99x = 5,140,473.33 × 3,268,184.59 - Step 4: Simplify right side
3,730,078.99x = 16,800,015,722,411.98 - Step 5: Solve for x
x = 16,800,015,722,411.98/3,730,078.99 - Step 6: Final answer
x = 4,503,930.28
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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.