Finding the Fourth Proportional to 4,153,793.20, 6,220,192.20 and 3,313,985.20
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Solution
The fourth proportional to 4,153,793.20, 6,220,192.20 and 3,313,985.20 is: 4,962,602.59
Step by Step Solution
- Step 1: Write the proportion equation
4,153,793.20 : 6,220,192.20 = 3,313,985.20 : x - Step 2: Convert to fraction form
4,153,793.20/6,220,192.20 = 3,313,985.20/x - Step 3: Cross multiply
4,153,793.20x = 6,220,192.20 × 3,313,985.20 - Step 4: Simplify right side
4,153,793.20x = 20,613,624,891,955.44 - Step 5: Solve for x
x = 20,613,624,891,955.44/4,153,793.20 - Step 6: Final answer
x = 4,962,602.59
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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.