Finding the Fourth Proportional to 4,429,286.80, 6,651,803.40 and 3,232,560.40
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Solution
The fourth proportional to 4,429,286.80, 6,651,803.40 and 3,232,560.40 is: 4,854,586.58
Step by Step Solution
- Step 1: Write the proportion equation
4,429,286.80 : 6,651,803.40 = 3,232,560.40 : x - Step 2: Convert to fraction form
4,429,286.80/6,651,803.40 = 3,232,560.40/x - Step 3: Cross multiply
4,429,286.80x = 6,651,803.40 × 3,232,560.40 - Step 4: Simplify right side
4,429,286.80x = 21,502,356,259,425.36 - Step 5: Solve for x
x = 21,502,356,259,425.36/4,429,286.80 - Step 6: Final answer
x = 4,854,586.58
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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.