Finding the Fourth Proportional to 4,681,272.68, 6,456,572.34 and 3,233,391.20
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Solution
The fourth proportional to 4,681,272.68, 6,456,572.34 and 3,233,391.20 is: 4,459,604.39
Step by Step Solution
- Step 1: Write the proportion equation
4,681,272.68 : 6,456,572.34 = 3,233,391.20 : x - Step 2: Convert to fraction form
4,681,272.68/6,456,572.34 = 3,233,391.20/x - Step 3: Cross multiply
4,681,272.68x = 6,456,572.34 × 3,233,391.20 - Step 4: Simplify right side
4,681,272.68x = 20,876,624,186,319.41 - Step 5: Solve for x
x = 20,876,624,186,319.41/4,681,272.68 - Step 6: Final answer
x = 4,459,604.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.