Finding the Fourth Proportional to 3,931,943.24, 5,423,286.58 and 2,624,536.10
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Solution
The fourth proportional to 3,931,943.24, 5,423,286.58 and 2,624,536.10 is: 3,619,994.12
Step by Step Solution
- Step 1: Write the proportion equation
3,931,943.24 : 5,423,286.58 = 2,624,536.10 : x - Step 2: Convert to fraction form
3,931,943.24/5,423,286.58 = 2,624,536.10/x - Step 3: Cross multiply
3,931,943.24x = 5,423,286.58 × 2,624,536.10 - Step 4: Simplify right side
3,931,943.24x = 14,233,611,409,855.54 - Step 5: Solve for x
x = 14,233,611,409,855.54/3,931,943.24 - Step 6: Final answer
x = 3,619,994.12
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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.