Finding the Fourth Proportional to 4,135,812.60, 6,203,913.30 and 1,296,017.40
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Solution
The fourth proportional to 4,135,812.60, 6,203,913.30 and 1,296,017.40 is: 1,944,087.02
Step by Step Solution
- Step 1: Write the proportion equation
4,135,812.60 : 6,203,913.30 = 1,296,017.40 : x - Step 2: Convert to fraction form
4,135,812.60/6,203,913.30 = 1,296,017.40/x - Step 3: Cross multiply
4,135,812.60x = 6,203,913.30 × 1,296,017.40 - Step 4: Simplify right side
4,135,812.60x = 8,040,379,584,891.42 - Step 5: Solve for x
x = 8,040,379,584,891.42/4,135,812.60 - Step 6: Final answer
x = 1,944,087.02
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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.