Finding the Fourth Proportional to 5,998,830.76, 8,278,364.04 and 3,245,509.36
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Solution
The fourth proportional to 5,998,830.76, 8,278,364.04 and 3,245,509.36 is: 4,478,790.79
Step by Step Solution
- Step 1: Write the proportion equation
5,998,830.76 : 8,278,364.04 = 3,245,509.36 : x - Step 2: Convert to fraction form
5,998,830.76/8,278,364.04 = 3,245,509.36/x - Step 3: Cross multiply
5,998,830.76x = 8,278,364.04 × 3,245,509.36 - Step 4: Simplify right side
5,998,830.76x = 26,867,507,977,307.41 - Step 5: Solve for x
x = 26,867,507,977,307.41/5,998,830.76 - Step 6: Final answer
x = 4,478,790.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.