Finding the Fourth Proportional to 4,286,235.20, 6,436,725.60 and 3,032,859.20
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Solution
The fourth proportional to 4,286,235.20, 6,436,725.60 and 3,032,859.20 is: 4,554,505.65
Step by Step Solution
- Step 1: Write the proportion equation
4,286,235.20 : 6,436,725.60 = 3,032,859.20 : x - Step 2: Convert to fraction form
4,286,235.20/6,436,725.60 = 3,032,859.20/x - Step 3: Cross multiply
4,286,235.20x = 6,436,725.60 × 3,032,859.20 - Step 4: Simplify right side
4,286,235.20x = 19,521,682,453,835.52 - Step 5: Solve for x
x = 19,521,682,453,835.52/4,286,235.20 - Step 6: Final answer
x = 4,554,505.65
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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.