Finding the Fourth Proportional to 4,344,562.20, 6,516,810.90 and 1,311,922.20
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Solution
The fourth proportional to 4,344,562.20, 6,516,810.90 and 1,311,922.20 is: 1,967,873.52
Step by Step Solution
- Step 1: Write the proportion equation
4,344,562.20 : 6,516,810.90 = 1,311,922.20 : x - Step 2: Convert to fraction form
4,344,562.20/6,516,810.90 = 1,311,922.20/x - Step 3: Cross multiply
4,344,562.20x = 6,516,810.90 × 1,311,922.20 - Step 4: Simplify right side
4,344,562.20x = 8,549,548,892,911.98 - Step 5: Solve for x
x = 8,549,548,892,911.98/4,344,562.20 - Step 6: Final answer
x = 1,967,873.52
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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.