Finding the Fourth Proportional to 6,186,974.40, 9,276,864.59 and 4,139,973.99
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Solution
The fourth proportional to 6,186,974.40, 9,276,864.59 and 4,139,973.99 is: 6,207,554.07
Step by Step Solution
- Step 1: Write the proportion equation
6,186,974.40 : 9,276,864.59 = 4,139,973.99 : x - Step 2: Convert to fraction form
6,186,974.40/9,276,864.59 = 4,139,973.99/x - Step 3: Cross multiply
6,186,974.40x = 9,276,864.59 × 4,139,973.99 - Step 4: Simplify right side
6,186,974.40x = 38,405,978,121,701.95 - Step 5: Solve for x
x = 38,405,978,121,701.95/6,186,974.40 - Step 6: Final answer
x = 6,207,554.07
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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.