Finding the Fourth Proportional to 7,268,575.40, 10,890,615.90 and 5,746,423.40
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Solution
The fourth proportional to 7,268,575.40, 10,890,615.90 and 5,746,423.40 is: 8,609,952.65
Step by Step Solution
- Step 1: Write the proportion equation
7,268,575.40 : 10,890,615.90 = 5,746,423.40 : x - Step 2: Convert to fraction form
7,268,575.40/10,890,615.90 = 5,746,423.40/x - Step 3: Cross multiply
7,268,575.40x = 10,890,615.90 × 5,746,423.40 - Step 4: Simplify right side
7,268,575.40x = 62,582,090,048,172.06 - Step 5: Solve for x
x = 62,582,090,048,172.06/7,268,575.40 - Step 6: Final answer
x = 8,609,952.65
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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.