Finding the Fourth Proportional to 6,444,179.17, 8,893,195.53 and 3,543,790.70
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Solution
The fourth proportional to 6,444,179.17, 8,893,195.53 and 3,543,790.70 is: 4,890,556.70
Step by Step Solution
- Step 1: Write the proportion equation
6,444,179.17 : 8,893,195.53 = 3,543,790.70 : x - Step 2: Convert to fraction form
6,444,179.17/8,893,195.53 = 3,543,790.70/x - Step 3: Cross multiply
6,444,179.17x = 8,893,195.53 × 3,543,790.70 - Step 4: Simplify right side
6,444,179.17x = 31,515,623,612,495.57 - Step 5: Solve for x
x = 31,515,623,612,495.57/6,444,179.17 - Step 6: Final answer
x = 4,890,556.70
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1.5x scale
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.