Finding the Fourth Proportional to 4,153,114.80, 6,229,672.20 and 1,313,449.20
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Solution
The fourth proportional to 4,153,114.80, 6,229,672.20 and 1,313,449.20 is: 1,970,173.80
Step by Step Solution
- Step 1: Write the proportion equation
4,153,114.80 : 6,229,672.20 = 1,313,449.20 : x - Step 2: Convert to fraction form
4,153,114.80/6,229,672.20 = 1,313,449.20/x - Step 3: Cross multiply
4,153,114.80x = 6,229,672.20 × 1,313,449.20 - Step 4: Simplify right side
4,153,114.80x = 8,182,357,967,352.24 - Step 5: Solve for x
x = 8,182,357,967,352.24/4,153,114.80 - Step 6: Final answer
x = 1,970,173.80
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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.