Finding the Fourth Proportional to 5,615,290.61, 7,749,455.36 and 3,167,008.37
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Solution
The fourth proportional to 5,615,290.61, 7,749,455.36 and 3,167,008.37 is: 4,370,671.38
Step by Step Solution
- Step 1: Write the proportion equation
5,615,290.61 : 7,749,455.36 = 3,167,008.37 : x - Step 2: Convert to fraction form
5,615,290.61/7,749,455.36 = 3,167,008.37/x - Step 3: Cross multiply
5,615,290.61x = 7,749,455.36 × 3,167,008.37 - Step 4: Simplify right side
5,615,290.61x = 24,542,589,933,479.05 - Step 5: Solve for x
x = 24,542,589,933,479.05/5,615,290.61 - Step 6: Final answer
x = 4,370,671.38
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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.