Finding the Fourth Proportional to 5,634,058.58, 7,775,176.84 and 3,186,621.73
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Solution
The fourth proportional to 5,634,058.58, 7,775,176.84 and 3,186,621.73 is: 4,397,637.54
Step by Step Solution
- Step 1: Write the proportion equation
5,634,058.58 : 7,775,176.84 = 3,186,621.73 : x - Step 2: Convert to fraction form
5,634,058.58/7,775,176.84 = 3,186,621.73/x - Step 3: Cross multiply
5,634,058.58x = 7,775,176.84 × 3,186,621.73 - Step 4: Simplify right side
5,634,058.58x = 24,776,547,496,556.84 - Step 5: Solve for x
x = 24,776,547,496,556.84/5,634,058.58 - Step 6: Final answer
x = 4,397,637.54
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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.