Finding the Fourth Proportional to 5,707,330.08, 7,876,113.62 and 3,128,955.50
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Solution
The fourth proportional to 5,707,330.08, 7,876,113.62 and 3,128,955.50 is: 4,317,957.54
Step by Step Solution
- Step 1: Write the proportion equation
5,707,330.08 : 7,876,113.62 = 3,128,955.50 : x - Step 2: Convert to fraction form
5,707,330.08/7,876,113.62 = 3,128,955.50/x - Step 3: Cross multiply
5,707,330.08x = 7,876,113.62 × 3,128,955.50 - Step 4: Simplify right side
5,707,330.08x = 24,644,008,974,898.57 - Step 5: Solve for x
x = 24,644,008,974,898.57/5,707,330.08 - Step 6: Final answer
x = 4,317,957.54
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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.