Finding the Fourth Proportional to 1,721,221.68, 2,375,272.74 and 946,835.82
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Solution
The fourth proportional to 1,721,221.68, 2,375,272.74 and 946,835.82 is: 1,306,626.18
Step by Step Solution
- Step 1: Write the proportion equation
1,721,221.68 : 2,375,272.74 = 946,835.82 : x - Step 2: Convert to fraction form
1,721,221.68/2,375,272.74 = 946,835.82/x - Step 3: Cross multiply
1,721,221.68x = 2,375,272.74 × 946,835.82 - Step 4: Simplify right side
1,721,221.68x = 2,248,993,312,501.55 - Step 5: Solve for x
x = 2,248,993,312,501.55/1,721,221.68 - Step 6: Final answer
x = 1,306,626.18
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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.