Finding the Fourth Proportional to 4,840,388.80, 7,260,583.20 and 1,474,158.40
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Solution
The fourth proportional to 4,840,388.80, 7,260,583.20 and 1,474,158.40 is: 2,211,237.60
Step by Step Solution
- Step 1: Write the proportion equation
4,840,388.80 : 7,260,583.20 = 1,474,158.40 : x - Step 2: Convert to fraction form
4,840,388.80/7,260,583.20 = 1,474,158.40/x - Step 3: Cross multiply
4,840,388.80x = 7,260,583.20 × 1,474,158.40 - Step 4: Simplify right side
4,840,388.80x = 10,703,249,713,178.88 - Step 5: Solve for x
x = 10,703,249,713,178.88/4,840,388.80 - Step 6: Final answer
x = 2,211,237.60
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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.