Finding the Fourth Proportional to 7,619,764.57, 11,430,796.85 and 2,227,737.94
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Solution
The fourth proportional to 7,619,764.57, 11,430,796.85 and 2,227,737.94 is: 3,341,943.12
Step by Step Solution
- Step 1: Write the proportion equation
7,619,764.57 : 11,430,796.85 = 2,227,737.94 : x - Step 2: Convert to fraction form
7,619,764.57/11,430,796.85 = 2,227,737.94/x - Step 3: Cross multiply
7,619,764.57x = 11,430,796.85 × 2,227,737.94 - Step 4: Simplify right side
7,619,764.57x = 25,464,819,795,815.83 - Step 5: Solve for x
x = 25,464,819,795,815.83/7,619,764.57 - Step 6: Final answer
x = 3,341,943.12
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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.