Finding the Fourth Proportional to 5,476,971.08, 7,557,638.46 and 3,029,193.20
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Solution
The fourth proportional to 5,476,971.08, 7,557,638.46 and 3,029,193.20 is: 4,179,964.93
Step by Step Solution
- Step 1: Write the proportion equation
5,476,971.08 : 7,557,638.46 = 3,029,193.20 : x - Step 2: Convert to fraction form
5,476,971.08/7,557,638.46 = 3,029,193.20/x - Step 3: Cross multiply
5,476,971.08x = 7,557,638.46 × 3,029,193.20 - Step 4: Simplify right side
5,476,971.08x = 22,893,547,031,090.47 - Step 5: Solve for x
x = 22,893,547,031,090.47/5,476,971.08 - Step 6: Final answer
x = 4,179,964.93
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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.