Finding the Fourth Proportional to 6,115,505.49, 8,439,403.01 and 3,362,239.80
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Solution
The fourth proportional to 6,115,505.49, 8,439,403.01 and 3,362,239.80 is: 4,639,893.91
Step by Step Solution
- Step 1: Write the proportion equation
6,115,505.49 : 8,439,403.01 = 3,362,239.80 : x - Step 2: Convert to fraction form
6,115,505.49/8,439,403.01 = 3,362,239.80/x - Step 3: Cross multiply
6,115,505.49x = 8,439,403.01 × 3,362,239.80 - Step 4: Simplify right side
6,115,505.49x = 28,375,296,671,650.60 - Step 5: Solve for x
x = 28,375,296,671,650.60/6,115,505.49 - Step 6: Final answer
x = 4,639,893.91
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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.