Finding the Fourth Proportional to 5,130,927.84, 7,080,198.21 and 3,473,703.87
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Solution
The fourth proportional to 5,130,927.84, 7,080,198.21 and 3,473,703.87 is: 4,793,384.88
Step by Step Solution
- Step 1: Write the proportion equation
5,130,927.84 : 7,080,198.21 = 3,473,703.87 : x - Step 2: Convert to fraction form
5,130,927.84/7,080,198.21 = 3,473,703.87/x - Step 3: Cross multiply
5,130,927.84x = 7,080,198.21 × 3,473,703.87 - Step 4: Simplify right side
5,130,927.84x = 24,594,511,922,444.07 - Step 5: Solve for x
x = 24,594,511,922,444.07/5,130,927.84 - Step 6: Final answer
x = 4,793,384.88
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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.