Finding the Fourth Proportional to 6,275,639.94, 9,418,503.68 and 3,243,893.88
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Solution
The fourth proportional to 6,275,639.94, 9,418,503.68 and 3,243,893.88 is: 4,868,447.95
Step by Step Solution
- Step 1: Write the proportion equation
6,275,639.94 : 9,418,503.68 = 3,243,893.88 : x - Step 2: Convert to fraction form
6,275,639.94/9,418,503.68 = 3,243,893.88/x - Step 3: Cross multiply
6,275,639.94x = 9,418,503.68 × 3,243,893.88 - Step 4: Simplify right side
6,275,639.94x = 30,552,626,406,935.23 - Step 5: Solve for x
x = 30,552,626,406,935.23/6,275,639.94 - Step 6: Final answer
x = 4,868,447.95
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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.