Finding the Fourth Proportional to 2,415,913.60, 3,626,203.20 and 1,471,129.60
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Solution
The fourth proportional to 2,415,913.60, 3,626,203.20 and 1,471,129.60 is: 2,208,114.92
Step by Step Solution
- Step 1: Write the proportion equation
2,415,913.60 : 3,626,203.20 = 1,471,129.60 : x - Step 2: Convert to fraction form
2,415,913.60/3,626,203.20 = 1,471,129.60/x - Step 3: Cross multiply
2,415,913.60x = 3,626,203.20 × 1,471,129.60 - Step 4: Simplify right side
2,415,913.60x = 5,334,614,863,134.72 - Step 5: Solve for x
x = 5,334,614,863,134.72/2,415,913.60 - Step 6: Final answer
x = 2,208,114.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.