Finding the Fourth Proportional to 1,424,006.24, 2,135,677.11 and 412,856.81
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Solution
The fourth proportional to 1,424,006.24, 2,135,677.11 and 412,856.81 is: 619,188.89
Step by Step Solution
- Step 1: Write the proportion equation
1,424,006.24 : 2,135,677.11 = 412,856.81 : x - Step 2: Convert to fraction form
1,424,006.24/2,135,677.11 = 412,856.81/x - Step 3: Cross multiply
1,424,006.24x = 2,135,677.11 × 412,856.81 - Step 4: Simplify right side
1,424,006.24x = 881,728,838,824.62 - Step 5: Solve for x
x = 881,728,838,824.62/1,424,006.24 - Step 6: Final answer
x = 619,188.89
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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.