Finding the Fourth Proportional to 7,211,522.99, 10,817,310.02 and 1,746,621.47
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Solution
The fourth proportional to 7,211,522.99, 10,817,310.02 and 1,746,621.47 is: 2,619,938.39
Step by Step Solution
- Step 1: Write the proportion equation
7,211,522.99 : 10,817,310.02 = 1,746,621.47 : x - Step 2: Convert to fraction form
7,211,522.99/10,817,310.02 = 1,746,621.47/x - Step 3: Cross multiply
7,211,522.99x = 10,817,310.02 × 1,746,621.47 - Step 4: Simplify right side
7,211,522.99x = 18,893,745,888,023.37 - Step 5: Solve for x
x = 18,893,745,888,023.37/7,211,522.99 - Step 6: Final answer
x = 2,619,938.39
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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.