Finding the Fourth Proportional to 4,151,656.70, 6,227,485.05 and 1,907,794.70
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Solution
The fourth proportional to 4,151,656.70, 6,227,485.05 and 1,907,794.70 is: 2,861,692.05
Step by Step Solution
- Step 1: Write the proportion equation
4,151,656.70 : 6,227,485.05 = 1,907,794.70 : x - Step 2: Convert to fraction form
4,151,656.70/6,227,485.05 = 1,907,794.70/x - Step 3: Cross multiply
4,151,656.70x = 6,227,485.05 × 1,907,794.70 - Step 4: Simplify right side
4,151,656.70x = 11,880,762,972,719.23 - Step 5: Solve for x
x = 11,880,762,972,719.23/4,151,656.70 - Step 6: Final answer
x = 2,861,692.05
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Double scale
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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.