Finding the Fourth Proportional to 3,121,199.94, 4,681,799.91 and 877,337.94
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Solution
The fourth proportional to 3,121,199.94, 4,681,799.91 and 877,337.94 is: 1,316,006.91
Step by Step Solution
- Step 1: Write the proportion equation
3,121,199.94 : 4,681,799.91 = 877,337.94 : x - Step 2: Convert to fraction form
3,121,199.94/4,681,799.91 = 877,337.94/x - Step 3: Cross multiply
3,121,199.94x = 4,681,799.91 × 877,337.94 - Step 4: Simplify right side
3,121,199.94x = 4,107,520,684,144.90 - Step 5: Solve for x
x = 4,107,520,684,144.90/3,121,199.94 - Step 6: Final answer
x = 1,316,006.91
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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.