Finding the Fourth Proportional to 4,313,558.80, 6,474,485.40 and 2,186,045.20
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Solution
The fourth proportional to 4,313,558.80, 6,474,485.40 and 2,186,045.20 is: 3,281,169.54
Step by Step Solution
- Step 1: Write the proportion equation
4,313,558.80 : 6,474,485.40 = 2,186,045.20 : x - Step 2: Convert to fraction form
4,313,558.80/6,474,485.40 = 2,186,045.20/x - Step 3: Cross multiply
4,313,558.80x = 6,474,485.40 × 2,186,045.20 - Step 4: Simplify right side
4,313,558.80x = 14,153,517,731,140.08 - Step 5: Solve for x
x = 14,153,517,731,140.08/4,313,558.80 - Step 6: Final answer
x = 3,281,169.54
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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.