Finding the Fourth Proportional to 5,717,310.17, 7,889,903.55 and 3,139,157.93
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Solution
The fourth proportional to 5,717,310.17, 7,889,903.55 and 3,139,157.93 is: 4,332,046.46
Step by Step Solution
- Step 1: Write the proportion equation
5,717,310.17 : 7,889,903.55 = 3,139,157.93 : x - Step 2: Convert to fraction form
5,717,310.17/7,889,903.55 = 3,139,157.93/x - Step 3: Cross multiply
5,717,310.17x = 7,889,903.55 × 3,139,157.93 - Step 4: Simplify right side
5,717,310.17x = 24,767,653,256,468.13 - Step 5: Solve for x
x = 24,767,653,256,468.13/5,717,310.17 - Step 6: Final answer
x = 4,332,046.46
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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.