Finding the Fourth Proportional to 5,749,272.08, 8,624,769.36 and 1,857,428.72
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Solution
The fourth proportional to 5,749,272.08, 8,624,769.36 and 1,857,428.72 is: 2,786,421.32
Step by Step Solution
- Step 1: Write the proportion equation
5,749,272.08 : 8,624,769.36 = 1,857,428.72 : x - Step 2: Convert to fraction form
5,749,272.08/8,624,769.36 = 1,857,428.72/x - Step 3: Cross multiply
5,749,272.08x = 8,624,769.36 × 1,857,428.72 - Step 4: Simplify right side
5,749,272.08x = 16,019,894,312,640.02 - Step 5: Solve for x
x = 16,019,894,312,640.02/5,749,272.08 - Step 6: Final answer
x = 2,786,421.32
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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.