Finding the Fourth Proportional to 3,121,205.68, 4,681,808.55 and 877,343.68
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Solution
The fourth proportional to 3,121,205.68, 4,681,808.55 and 877,343.68 is: 1,316,015.53
Step by Step Solution
- Step 1: Write the proportion equation
3,121,205.68 : 4,681,808.55 = 877,343.68 : x - Step 2: Convert to fraction form
3,121,205.68/4,681,808.55 = 877,343.68/x - Step 3: Cross multiply
3,121,205.68x = 4,681,808.55 × 877,343.68 - Step 4: Simplify right side
3,121,205.68x = 4,107,555,142,312.46 - Step 5: Solve for x
x = 4,107,555,142,312.46/3,121,205.68 - Step 6: Final answer
x = 1,316,015.53
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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.