Finding the Fourth Proportional to 2,437,819.74, 3,365,853.75 and 1,520,407.26
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Solution
The fourth proportional to 2,437,819.74, 3,365,853.75 and 1,520,407.26 is: 2,099,198.88
Step by Step Solution
- Step 1: Write the proportion equation
2,437,819.74 : 3,365,853.75 = 1,520,407.26 : x - Step 2: Convert to fraction form
2,437,819.74/3,365,853.75 = 1,520,407.26/x - Step 3: Cross multiply
2,437,819.74x = 3,365,853.75 × 1,520,407.26 - Step 4: Simplify right side
2,437,819.74x = 5,117,468,477,598.22 - Step 5: Solve for x
x = 5,117,468,477,598.22/2,437,819.74 - Step 6: Final answer
x = 2,099,198.88
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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.