Finding the Fourth Proportional to 6,476,104.80, 9,715,323.60 and 2,689,970.40
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Solution
The fourth proportional to 6,476,104.80, 9,715,323.60 and 2,689,970.40 is: 4,035,440.09
Step by Step Solution
- Step 1: Write the proportion equation
6,476,104.80 : 9,715,323.60 = 2,689,970.40 : x - Step 2: Convert to fraction form
6,476,104.80/9,715,323.60 = 2,689,970.40/x - Step 3: Cross multiply
6,476,104.80x = 9,715,323.60 × 2,689,970.40 - Step 4: Simplify right side
6,476,104.80x = 26,133,932,910,421.44 - Step 5: Solve for x
x = 26,133,932,910,421.44/6,476,104.80 - Step 6: Final answer
x = 4,035,440.09
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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.