Finding the Fourth Proportional to 2,221,247.49, 3,331,871.25 and 538,350.99
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Solution
The fourth proportional to 2,221,247.49, 3,331,871.25 and 538,350.99 is: 807,526.49
Step by Step Solution
- Step 1: Write the proportion equation
2,221,247.49 : 3,331,871.25 = 538,350.99 : x - Step 2: Convert to fraction form
2,221,247.49/3,331,871.25 = 538,350.99/x - Step 3: Cross multiply
2,221,247.49x = 3,331,871.25 × 538,350.99 - Step 4: Simplify right side
2,221,247.49x = 1,793,716,185,990.04 - Step 5: Solve for x
x = 1,793,716,185,990.04/2,221,247.49 - Step 6: Final answer
x = 807,526.49
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Double scale
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Similar ratio
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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.