Finding the Fourth Proportional to 5,385,307.80, 8,081,898.30 and 3,790,984.80
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Solution
The fourth proportional to 5,385,307.80, 8,081,898.30 and 3,790,984.80 is: 5,689,248.37
Step by Step Solution
- Step 1: Write the proportion equation
5,385,307.80 : 8,081,898.30 = 3,790,984.80 : x - Step 2: Convert to fraction form
5,385,307.80/8,081,898.30 = 3,790,984.80/x - Step 3: Cross multiply
5,385,307.80x = 8,081,898.30 × 3,790,984.80 - Step 4: Simplify right side
5,385,307.80x = 30,638,353,610,445.84 - Step 5: Solve for x
x = 30,638,353,610,445.84/5,385,307.80 - Step 6: Final answer
x = 5,689,248.37
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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.