Finding the Fourth Proportional to 6,286,790.32, 9,430,251.36 and 5,032,590.64
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Solution
The fourth proportional to 6,286,790.32, 9,430,251.36 and 5,032,590.64 is: 7,548,938.70
Step by Step Solution
- Step 1: Write the proportion equation
6,286,790.32 : 9,430,251.36 = 5,032,590.64 : x - Step 2: Convert to fraction form
6,286,790.32/9,430,251.36 = 5,032,590.64/x - Step 3: Cross multiply
6,286,790.32x = 9,430,251.36 × 5,032,590.64 - Step 4: Simplify right side
6,286,790.32x = 47,458,594,727,183.27 - Step 5: Solve for x
x = 47,458,594,727,183.27/6,286,790.32 - Step 6: Final answer
x = 7,548,938.70
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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.