Finding the Fourth Proportional to 6,288,927.57, 8,679,027.69 and 3,536,481.15
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Solution
The fourth proportional to 6,288,927.57, 8,679,027.69 and 3,536,481.15 is: 4,880,516.99
Step by Step Solution
- Step 1: Write the proportion equation
6,288,927.57 : 8,679,027.69 = 3,536,481.15 : x - Step 2: Convert to fraction form
6,288,927.57/8,679,027.69 = 3,536,481.15/x - Step 3: Cross multiply
6,288,927.57x = 8,679,027.69 × 3,536,481.15 - Step 4: Simplify right side
6,288,927.57x = 30,693,217,826,013.04 - Step 5: Solve for x
x = 30,693,217,826,013.04/6,288,927.57 - Step 6: Final answer
x = 4,880,516.99
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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.