Finding the Fourth Proportional to 5,239,051.82, 7,859,885.34 and 1,827,387.54
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Solution
The fourth proportional to 5,239,051.82, 7,859,885.34 and 1,827,387.54 is: 2,741,537.41
Step by Step Solution
- Step 1: Write the proportion equation
5,239,051.82 : 7,859,885.34 = 1,827,387.54 : x - Step 2: Convert to fraction form
5,239,051.82/7,859,885.34 = 1,827,387.54/x - Step 3: Cross multiply
5,239,051.82x = 7,859,885.34 × 1,827,387.54 - Step 4: Simplify right side
5,239,051.82x = 14,363,056,532,718.31 - Step 5: Solve for x
x = 14,363,056,532,718.31/5,239,051.82 - Step 6: Final answer
x = 2,741,537.41
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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.