Finding the Fourth Proportional to 5,529,830.58, 7,631,056.88 and 3,082,295.60
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Solution
The fourth proportional to 5,529,830.58, 7,631,056.88 and 3,082,295.60 is: 4,253,506.99
Step by Step Solution
- Step 1: Write the proportion equation
5,529,830.58 : 7,631,056.88 = 3,082,295.60 : x - Step 2: Convert to fraction form
5,529,830.58/7,631,056.88 = 3,082,295.60/x - Step 3: Cross multiply
5,529,830.58x = 7,631,056.88 × 3,082,295.60 - Step 4: Simplify right side
5,529,830.58x = 23,521,173,031,182.04 - Step 5: Solve for x
x = 23,521,173,031,182.04/5,529,830.58 - Step 6: Final answer
x = 4,253,506.99
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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.