Finding the Fourth Proportional to 3,555,905.26, 4,907,161.64 and 1,924,312.21
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Solution
The fourth proportional to 3,555,905.26, 4,907,161.64 and 1,924,312.21 is: 2,655,557.55
Step by Step Solution
- Step 1: Write the proportion equation
3,555,905.26 : 4,907,161.64 = 1,924,312.21 : x - Step 2: Convert to fraction form
3,555,905.26/4,907,161.64 = 1,924,312.21/x - Step 3: Cross multiply
3,555,905.26x = 4,907,161.64 × 1,924,312.21 - Step 4: Simplify right side
3,555,905.26x = 9,442,911,052,838.50 - Step 5: Solve for x
x = 9,442,911,052,838.50/3,555,905.26 - Step 6: Final answer
x = 2,655,557.55
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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.