Finding the Fourth Proportional to 1,424,005.62, 2,135,676.16 and 412,856.19
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Solution
The fourth proportional to 1,424,005.62, 2,135,676.16 and 412,856.19 is: 619,187.95
Step by Step Solution
- Step 1: Write the proportion equation
1,424,005.62 : 2,135,676.16 = 412,856.19 : x - Step 2: Convert to fraction form
1,424,005.62/2,135,676.16 = 412,856.19/x - Step 3: Cross multiply
1,424,005.62x = 2,135,676.16 × 412,856.19 - Step 4: Simplify right side
1,424,005.62x = 881,727,122,491.43 - Step 5: Solve for x
x = 881,727,122,491.43/1,424,005.62 - Step 6: Final answer
x = 619,187.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.