Finding the Fourth Proportional to 2,988,513.20, 4,482,769.65 and 2,843,308.09
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Solution
The fourth proportional to 2,988,513.20, 4,482,769.65 and 2,843,308.09 is: 4,264,961.99
Step by Step Solution
- Step 1: Write the proportion equation
2,988,513.20 : 4,482,769.65 = 2,843,308.09 : x - Step 2: Convert to fraction form
2,988,513.20/4,482,769.65 = 2,843,308.09/x - Step 3: Cross multiply
2,988,513.20x = 4,482,769.65 × 2,843,308.09 - Step 4: Simplify right side
2,988,513.20x = 12,745,895,211,451.47 - Step 5: Solve for x
x = 12,745,895,211,451.47/2,988,513.20 - Step 6: Final answer
x = 4,264,961.99
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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.