Finding the Fourth Proportional to 4,630,865.30, 6,943,965.15 and 2,738,186.90
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Solution
The fourth proportional to 4,630,865.30, 6,943,965.15 and 2,738,186.90 is: 4,105,900.99
Step by Step Solution
- Step 1: Write the proportion equation
4,630,865.30 : 6,943,965.15 = 2,738,186.90 : x - Step 2: Convert to fraction form
4,630,865.30/6,943,965.15 = 2,738,186.90/x - Step 3: Cross multiply
4,630,865.30x = 6,943,965.15 × 2,738,186.90 - Step 4: Simplify right side
4,630,865.30x = 19,013,874,407,786.54 - Step 5: Solve for x
x = 19,013,874,407,786.54/4,630,865.30 - Step 6: Final answer
x = 4,105,900.99
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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.