Finding the Fourth Proportional to 2,291,586.05, 3,161,072.99 and 1,430,651.63
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Solution
The fourth proportional to 2,291,586.05, 3,161,072.99 and 1,430,651.63 is: 1,973,477.82
Step by Step Solution
- Step 1: Write the proportion equation
2,291,586.05 : 3,161,072.99 = 1,430,651.63 : x - Step 2: Convert to fraction form
2,291,586.05/3,161,072.99 = 1,430,651.63/x - Step 3: Cross multiply
2,291,586.05x = 3,161,072.99 × 1,430,651.63 - Step 4: Simplify right side
2,291,586.05x = 4,522,394,237,171.79 - Step 5: Solve for x
x = 4,522,394,237,171.79/2,291,586.05 - Step 6: Final answer
x = 1,973,477.82
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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.