Finding the Fourth Proportional to 4,493,917.20, 6,730,378.20 and 4,403,715.60
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Solution
The fourth proportional to 4,493,917.20, 6,730,378.20 and 4,403,715.60 is: 6,595,286.51
Step by Step Solution
- Step 1: Write the proportion equation
4,493,917.20 : 6,730,378.20 = 4,403,715.60 : x - Step 2: Convert to fraction form
4,493,917.20/6,730,378.20 = 4,403,715.60/x - Step 3: Cross multiply
4,493,917.20x = 6,730,378.20 × 4,403,715.60 - Step 4: Simplify right side
4,493,917.20x = 29,638,671,473,239.92 - Step 5: Solve for x
x = 29,638,671,473,239.92/4,493,917.20 - Step 6: Final answer
x = 6,595,286.51
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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.