Finding the Fourth Proportional to 5,053,530.48, 6,973,875.16 and 2,761,691.12
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Solution
The fourth proportional to 5,053,530.48, 6,973,875.16 and 2,761,691.12 is: 3,811,135.44
Step by Step Solution
- Step 1: Write the proportion equation
5,053,530.48 : 6,973,875.16 = 2,761,691.12 : x - Step 2: Convert to fraction form
5,053,530.48/6,973,875.16 = 2,761,691.12/x - Step 3: Cross multiply
5,053,530.48x = 6,973,875.16 × 2,761,691.12 - Step 4: Simplify right side
5,053,530.48x = 19,259,689,101,360.58 - Step 5: Solve for x
x = 19,259,689,101,360.58/5,053,530.48 - Step 6: Final answer
x = 3,811,135.44
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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.