Finding the Fourth Proportional to 4,368,298.20, 6,552,447.30 and 3,906,403.80
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Solution
The fourth proportional to 4,368,298.20, 6,552,447.30 and 3,906,403.80 is: 5,859,605.70
Step by Step Solution
- Step 1: Write the proportion equation
4,368,298.20 : 6,552,447.30 = 3,906,403.80 : x - Step 2: Convert to fraction form
4,368,298.20/6,552,447.30 = 3,906,403.80/x - Step 3: Cross multiply
4,368,298.20x = 6,552,447.30 × 3,906,403.80 - Step 4: Simplify right side
4,368,298.20x = 25,596,505,032,019.74 - Step 5: Solve for x
x = 25,596,505,032,019.74/4,368,298.20 - Step 6: Final answer
x = 5,859,605.70
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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.