Finding the Fourth Proportional to 4,151,256.60, 6,226,301.70 and 1,311,655.80
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Solution
The fourth proportional to 4,151,256.60, 6,226,301.70 and 1,311,655.80 is: 1,967,299.43
Step by Step Solution
- Step 1: Write the proportion equation
4,151,256.60 : 6,226,301.70 = 1,311,655.80 : x - Step 2: Convert to fraction form
4,151,256.60/6,226,301.70 = 1,311,655.80/x - Step 3: Cross multiply
4,151,256.60x = 6,226,301.70 × 1,311,655.80 - Step 4: Simplify right side
4,151,256.60x = 8,166,764,737,354.86 - Step 5: Solve for x
x = 8,166,764,737,354.86/4,151,256.60 - Step 6: Final answer
x = 1,967,299.43
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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.