Finding the Fourth Proportional to 6,406,326.27, 8,850,332.84 and 4,206,408.39
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Solution
The fourth proportional to 6,406,326.27, 8,850,332.84 and 4,206,408.39 is: 5,811,148.66
Step by Step Solution
- Step 1: Write the proportion equation
6,406,326.27 : 8,850,332.84 = 4,206,408.39 : x - Step 2: Convert to fraction form
6,406,326.27/8,850,332.84 = 4,206,408.39/x - Step 3: Cross multiply
6,406,326.27x = 8,850,332.84 × 4,206,408.39 - Step 4: Simplify right side
6,406,326.27x = 37,228,114,291,436.48 - Step 5: Solve for x
x = 37,228,114,291,436.48/6,406,326.27 - Step 6: Final answer
x = 5,811,148.66
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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.