Finding the Fourth Proportional to 4,111,351.48, 6,167,437.80 and 1,415,319.94
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Solution
The fourth proportional to 4,111,351.48, 6,167,437.80 and 1,415,319.94 is: 2,123,121.25
Step by Step Solution
- Step 1: Write the proportion equation
4,111,351.48 : 6,167,437.80 = 1,415,319.94 : x - Step 2: Convert to fraction form
4,111,351.48/6,167,437.80 = 1,415,319.94/x - Step 3: Cross multiply
4,111,351.48x = 6,167,437.80 × 1,415,319.94 - Step 4: Simplify right side
4,111,351.48x = 8,728,897,697,049.73 - Step 5: Solve for x
x = 8,728,897,697,049.73/4,111,351.48 - Step 6: Final answer
x = 2,123,121.25
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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.