Finding the Fourth Proportional to 3,121,300.62, 4,681,950.96 and 877,438.62
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Solution
The fourth proportional to 3,121,300.62, 4,681,950.96 and 877,438.62 is: 1,316,157.94
Step by Step Solution
- Step 1: Write the proportion equation
3,121,300.62 : 4,681,950.96 = 877,438.62 : x - Step 2: Convert to fraction form
3,121,300.62/4,681,950.96 = 877,438.62/x - Step 3: Cross multiply
3,121,300.62x = 4,681,950.96 × 877,438.62 - Step 4: Simplify right side
3,121,300.62x = 4,108,124,589,250.08 - Step 5: Solve for x
x = 4,108,124,589,250.08/3,121,300.62 - Step 6: Final answer
x = 1,316,157.94
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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.