Finding the Fourth Proportional to 5,328,176.40, 7,356,245.58 and 3,696,012.84
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Solution
The fourth proportional to 5,328,176.40, 7,356,245.58 and 3,696,012.84 is: 5,102,829.95
Step by Step Solution
- Step 1: Write the proportion equation
5,328,176.40 : 7,356,245.58 = 3,696,012.84 : x - Step 2: Convert to fraction form
5,328,176.40/7,356,245.58 = 3,696,012.84/x - Step 3: Cross multiply
5,328,176.40x = 7,356,245.58 × 3,696,012.84 - Step 4: Simplify right side
5,328,176.40x = 27,188,778,117,873.25 - Step 5: Solve for x
x = 27,188,778,117,873.25/5,328,176.40 - Step 6: Final answer
x = 5,102,829.95
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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.