Finding the Fourth Proportional to 4,476,840.80, 6,700,972.80 and 3,532,056.80
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Solution
The fourth proportional to 4,476,840.80, 6,700,972.80 and 3,532,056.80 is: 5,286,812.20
Step by Step Solution
- Step 1: Write the proportion equation
4,476,840.80 : 6,700,972.80 = 3,532,056.80 : x - Step 2: Convert to fraction form
4,476,840.80/6,700,972.80 = 3,532,056.80/x - Step 3: Cross multiply
4,476,840.80x = 6,700,972.80 × 3,532,056.80 - Step 4: Simplify right side
4,476,840.80x = 23,668,216,544,855.04 - Step 5: Solve for x
x = 23,668,216,544,855.04/4,476,840.80 - Step 6: Final answer
x = 5,286,812.20
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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.