Finding the Fourth Proportional to 4,432,182.84, 6,634,638.58 and 2,891,861.57
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Solution
The fourth proportional to 4,432,182.84, 6,634,638.58 and 2,891,861.57 is: 4,328,895.50
Step by Step Solution
- Step 1: Write the proportion equation
4,432,182.84 : 6,634,638.58 = 2,891,861.57 : x - Step 2: Convert to fraction form
4,432,182.84/6,634,638.58 = 2,891,861.57/x - Step 3: Cross multiply
4,432,182.84x = 6,634,638.58 × 2,891,861.57 - Step 4: Simplify right side
4,432,182.84x = 19,186,456,340,341.37 - Step 5: Solve for x
x = 19,186,456,340,341.37/4,432,182.84 - Step 6: Final answer
x = 4,328,895.50
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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.