Finding the Fourth Proportional to 2,341,791.50, 3,231,677.68 and 1,309,336.08
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Solution
The fourth proportional to 2,341,791.50, 3,231,677.68 and 1,309,336.08 is: 1,806,886.82
Step by Step Solution
- Step 1: Write the proportion equation
2,341,791.50 : 3,231,677.68 = 1,309,336.08 : x - Step 2: Convert to fraction form
2,341,791.50/3,231,677.68 = 1,309,336.08/x - Step 3: Cross multiply
2,341,791.50x = 3,231,677.68 × 1,309,336.08 - Step 4: Simplify right side
2,341,791.50x = 4,231,352,185,354.70 - Step 5: Solve for x
x = 4,231,352,185,354.70/2,341,791.50 - Step 6: Final answer
x = 1,806,886.82
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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.