Finding the Fourth Proportional to 2,425,884.90, 3,638,827.35 and 2,378,645.70
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Solution
The fourth proportional to 2,425,884.90, 3,638,827.35 and 2,378,645.70 is: 3,567,968.55
Step by Step Solution
- Step 1: Write the proportion equation
2,425,884.90 : 3,638,827.35 = 2,378,645.70 : x - Step 2: Convert to fraction form
2,425,884.90/3,638,827.35 = 2,378,645.70/x - Step 3: Cross multiply
2,425,884.90x = 3,638,827.35 × 2,378,645.70 - Step 4: Simplify right side
2,425,884.90x = 8,655,481,029,119.90 - Step 5: Solve for x
x = 8,655,481,029,119.90/2,425,884.90 - Step 6: Final answer
x = 3,567,968.55
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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.