Finding the Fourth Proportional to 4,697,959.20, 7,046,938.80 and 2,306,474.70
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Solution
The fourth proportional to 4,697,959.20, 7,046,938.80 and 2,306,474.70 is: 3,459,712.05
Step by Step Solution
- Step 1: Write the proportion equation
4,697,959.20 : 7,046,938.80 = 2,306,474.70 : x - Step 2: Convert to fraction form
4,697,959.20/7,046,938.80 = 2,306,474.70/x - Step 3: Cross multiply
4,697,959.20x = 7,046,938.80 × 2,306,474.70 - Step 4: Simplify right side
4,697,959.20x = 16,253,586,054,648.36 - Step 5: Solve for x
x = 16,253,586,054,648.36/4,697,959.20 - Step 6: Final answer
x = 3,459,712.05
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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.