Finding the Fourth Proportional to 7,390,763.40, 11,084,176.80 and 2,273,183.40
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Solution
The fourth proportional to 7,390,763.40, 11,084,176.80 and 2,273,183.40 is: 3,409,169.71
Step by Step Solution
- Step 1: Write the proportion equation
7,390,763.40 : 11,084,176.80 = 2,273,183.40 : x - Step 2: Convert to fraction form
7,390,763.40/11,084,176.80 = 2,273,183.40/x - Step 3: Cross multiply
7,390,763.40x = 11,084,176.80 × 2,273,183.40 - Step 4: Simplify right side
7,390,763.40x = 25,196,366,704,425.12 - Step 5: Solve for x
x = 25,196,366,704,425.12/7,390,763.40 - Step 6: Final answer
x = 3,409,169.71
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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.