Finding the Fourth Proportional to 2,875,447.80, 4,312,433.28 and 853,213.44
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Solution
The fourth proportional to 2,875,447.80, 4,312,433.28 and 853,213.44 is: 1,279,601.05
Step by Step Solution
- Step 1: Write the proportion equation
2,875,447.80 : 4,312,433.28 = 853,213.44 : x - Step 2: Convert to fraction form
2,875,447.80/4,312,433.28 = 853,213.44/x - Step 3: Cross multiply
2,875,447.80x = 4,312,433.28 × 853,213.44 - Step 4: Simplify right side
2,875,447.80x = 3,679,426,033,599.28 - Step 5: Solve for x
x = 3,679,426,033,599.28/2,875,447.80 - Step 6: Final answer
x = 1,279,601.05
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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.