Finding the Fourth Proportional to 6,372,993.60, 8,794,620.72 and 3,472,408.08
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Solution
The fourth proportional to 6,372,993.60, 8,794,620.72 and 3,472,408.08 is: 4,791,862.97
Step by Step Solution
- Step 1: Write the proportion equation
6,372,993.60 : 8,794,620.72 = 3,472,408.08 : x - Step 2: Convert to fraction form
6,372,993.60/8,794,620.72 = 3,472,408.08/x - Step 3: Cross multiply
6,372,993.60x = 8,794,620.72 × 3,472,408.08 - Step 4: Simplify right side
6,372,993.60x = 30,538,512,048,663.42 - Step 5: Solve for x
x = 30,538,512,048,663.42/6,372,993.60 - Step 6: Final answer
x = 4,791,862.97
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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.