Finding the Fourth Proportional to 4,313,590.80, 6,474,533.40 and 2,186,077.20
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Solution
The fourth proportional to 4,313,590.80, 6,474,533.40 and 2,186,077.20 is: 3,281,217.55
Step by Step Solution
- Step 1: Write the proportion equation
4,313,590.80 : 6,474,533.40 = 2,186,077.20 : x - Step 2: Convert to fraction form
4,313,590.80/6,474,533.40 = 2,186,077.20/x - Step 3: Cross multiply
4,313,590.80x = 6,474,533.40 × 2,186,077.20 - Step 4: Simplify right side
4,313,590.80x = 14,153,829,846,378.48 - Step 5: Solve for x
x = 14,153,829,846,378.48/4,313,590.80 - Step 6: Final answer
x = 3,281,217.55
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1.5x scale
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.