Finding the Fourth Proportional to 5,902,420.90, 8,145,125.77 and 3,288,789.94
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Solution
The fourth proportional to 5,902,420.90, 8,145,125.77 and 3,288,789.94 is: 4,538,410.28
Step by Step Solution
- Step 1: Write the proportion equation
5,902,420.90 : 8,145,125.77 = 3,288,789.94 : x - Step 2: Convert to fraction form
5,902,420.90/8,145,125.77 = 3,288,789.94/x - Step 3: Cross multiply
5,902,420.90x = 8,145,125.77 × 3,288,789.94 - Step 4: Simplify right side
5,902,420.90x = 26,787,607,692,410.75 - Step 5: Solve for x
x = 26,787,607,692,410.75/5,902,420.90 - Step 6: Final answer
x = 4,538,410.28
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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.