Finding the Fourth Proportional to 2,749,131.70, 4,124,734.35 and 1,330,443.70
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Solution
The fourth proportional to 2,749,131.70, 4,124,734.35 and 1,330,443.70 is: 1,996,167.31
Step by Step Solution
- Step 1: Write the proportion equation
2,749,131.70 : 4,124,734.35 = 1,330,443.70 : x - Step 2: Convert to fraction form
2,749,131.70/4,124,734.35 = 1,330,443.70/x - Step 3: Cross multiply
2,749,131.70x = 4,124,734.35 × 1,330,443.70 - Step 4: Simplify right side
2,749,131.70x = 5,487,726,830,131.10 - Step 5: Solve for x
x = 5,487,726,830,131.10/2,749,131.70 - Step 6: Final answer
x = 1,996,167.31
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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.