Finding the Fourth Proportional to 6,635,419.08, 9,947,201.50 and 2,590,965.96
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Solution
The fourth proportional to 6,635,419.08, 9,947,201.50 and 2,590,965.96 is: 3,884,134.55
Step by Step Solution
- Step 1: Write the proportion equation
6,635,419.08 : 9,947,201.50 = 2,590,965.96 : x - Step 2: Convert to fraction form
6,635,419.08/9,947,201.50 = 2,590,965.96/x - Step 3: Cross multiply
6,635,419.08x = 9,947,201.50 × 2,590,965.96 - Step 4: Simplify right side
6,635,419.08x = 25,772,860,483,760.94 - Step 5: Solve for x
x = 25,772,860,483,760.94/6,635,419.08 - Step 6: Final answer
x = 3,884,134.55
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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.