Finding the Fourth Proportional to 2,272,394.34, 3,135,969.77 and 1,253,864.70
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Solution
The fourth proportional to 2,272,394.34, 3,135,969.77 and 1,253,864.70 is: 1,730,369.47
Step by Step Solution
- Step 1: Write the proportion equation
2,272,394.34 : 3,135,969.77 = 1,253,864.70 : x - Step 2: Convert to fraction form
2,272,394.34/3,135,969.77 = 1,253,864.70/x - Step 3: Cross multiply
2,272,394.34x = 3,135,969.77 × 1,253,864.70 - Step 4: Simplify right side
2,272,394.34x = 3,932,081,788,600.80 - Step 5: Solve for x
x = 3,932,081,788,600.80/2,272,394.34 - Step 6: Final answer
x = 1,730,369.47
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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.