Finding the Fourth Proportional to 5,390,762.75, 8,087,764.94 and 3,234,162.05
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Solution
The fourth proportional to 5,390,762.75, 8,087,764.94 and 3,234,162.05 is: 4,852,215.47
Step by Step Solution
- Step 1: Write the proportion equation
5,390,762.75 : 8,087,764.94 = 3,234,162.05 : x - Step 2: Convert to fraction form
5,390,762.75/8,087,764.94 = 3,234,162.05/x - Step 3: Cross multiply
5,390,762.75x = 8,087,764.94 × 3,234,162.05 - Step 4: Simplify right side
5,390,762.75x = 26,157,142,381,658.89 - Step 5: Solve for x
x = 26,157,142,381,658.89/5,390,762.75 - Step 6: Final answer
x = 4,852,215.47
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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.