Finding the Fourth Proportional to 5,342,696.40, 8,014,822.20 and 1,747,592.40
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Solution
The fourth proportional to 5,342,696.40, 8,014,822.20 and 1,747,592.40 is: 2,621,642.95
Step by Step Solution
- Step 1: Write the proportion equation
5,342,696.40 : 8,014,822.20 = 1,747,592.40 : x - Step 2: Convert to fraction form
5,342,696.40/8,014,822.20 = 1,747,592.40/x - Step 3: Cross multiply
5,342,696.40x = 8,014,822.20 × 1,747,592.40 - Step 4: Simplify right side
5,342,696.40x = 14,006,642,364,071.28 - Step 5: Solve for x
x = 14,006,642,364,071.28/5,342,696.40 - Step 6: Final answer
x = 2,621,642.95
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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.