Finding the Fourth Proportional to 5,707,247.74, 7,876,497.58 and 3,129,426.74
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Solution
The fourth proportional to 5,707,247.74, 7,876,497.58 and 3,129,426.74 is: 4,318,880.71
Step by Step Solution
- Step 1: Write the proportion equation
5,707,247.74 : 7,876,497.58 = 3,129,426.74 : x - Step 2: Convert to fraction form
5,707,247.74/7,876,497.58 = 3,129,426.74/x - Step 3: Cross multiply
5,707,247.74x = 7,876,497.58 × 3,129,426.74 - Step 4: Simplify right side
5,707,247.74x = 24,648,922,128,750.16 - Step 5: Solve for x
x = 24,648,922,128,750.16/5,707,247.74 - Step 6: Final answer
x = 4,318,880.71
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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.