Finding the Fourth Proportional to 4,540,921.87, 6,267,990.69 and 2,705,955.77
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Solution
The fourth proportional to 4,540,921.87, 6,267,990.69 and 2,705,955.77 is: 3,735,123.85
Step by Step Solution
- Step 1: Write the proportion equation
4,540,921.87 : 6,267,990.69 = 2,705,955.77 : x - Step 2: Convert to fraction form
4,540,921.87/6,267,990.69 = 2,705,955.77/x - Step 3: Cross multiply
4,540,921.87x = 6,267,990.69 × 2,705,955.77 - Step 4: Simplify right side
4,540,921.87x = 16,960,905,573,911.78 - Step 5: Solve for x
x = 16,960,905,573,911.78/4,540,921.87 - Step 6: Final answer
x = 3,735,123.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.