Finding the Fourth Proportional to 3,639,430.67, 5,458,671.63 and 1,080,594.15
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Solution
The fourth proportional to 3,639,430.67, 5,458,671.63 and 1,080,594.15 is: 1,620,750.38
Step by Step Solution
- Step 1: Write the proportion equation
3,639,430.67 : 5,458,671.63 = 1,080,594.15 : x - Step 2: Convert to fraction form
3,639,430.67/5,458,671.63 = 1,080,594.15/x - Step 3: Cross multiply
3,639,430.67x = 5,458,671.63 × 1,080,594.15 - Step 4: Simplify right side
3,639,430.67x = 5,898,608,630,148.96 - Step 5: Solve for x
x = 5,898,608,630,148.96/3,639,430.67 - Step 6: Final answer
x = 1,620,750.38
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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.