Finding the Fourth Proportional to 2,100,740.40, 3,154,912.20 and 1,839,466.80
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Solution
The fourth proportional to 2,100,740.40, 3,154,912.20 and 1,839,466.80 is: 2,762,528.99
Step by Step Solution
- Step 1: Write the proportion equation
2,100,740.40 : 3,154,912.20 = 1,839,466.80 : x - Step 2: Convert to fraction form
2,100,740.40/3,154,912.20 = 1,839,466.80/x - Step 3: Cross multiply
2,100,740.40x = 3,154,912.20 × 1,839,466.80 - Step 4: Simplify right side
2,100,740.40x = 5,803,356,248,814.96 - Step 5: Solve for x
x = 5,803,356,248,814.96/2,100,740.40 - Step 6: Final answer
x = 2,762,528.99
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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.