Finding the Fourth Proportional to 4,828,912.24, 6,663,508.86 and 2,791,852.96
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Solution
The fourth proportional to 4,828,912.24, 6,663,508.86 and 2,791,852.96 is: 3,852,531.59
Step by Step Solution
- Step 1: Write the proportion equation
4,828,912.24 : 6,663,508.86 = 2,791,852.96 : x - Step 2: Convert to fraction form
4,828,912.24/6,663,508.86 = 2,791,852.96/x - Step 3: Cross multiply
4,828,912.24x = 6,663,508.86 × 2,791,852.96 - Step 4: Simplify right side
4,828,912.24x = 18,603,536,934,777.23 - Step 5: Solve for x
x = 18,603,536,934,777.23/4,828,912.24 - Step 6: Final answer
x = 3,852,531.59
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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.