Finding the Fourth Proportional to 2,588,948.22, 3,883,418.97 and 695,689.70
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Solution
The fourth proportional to 2,588,948.22, 3,883,418.97 and 695,689.70 is: 1,043,533.65
Step by Step Solution
- Step 1: Write the proportion equation
2,588,948.22 : 3,883,418.97 = 695,689.70 : x - Step 2: Convert to fraction form
2,588,948.22/3,883,418.97 = 695,689.70/x - Step 3: Cross multiply
2,588,948.22x = 3,883,418.97 × 695,689.70 - Step 4: Simplify right side
2,588,948.22x = 2,701,654,578,213.61 - Step 5: Solve for x
x = 2,701,654,578,213.61/2,588,948.22 - Step 6: Final answer
x = 1,043,533.65
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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.