Finding the Fourth Proportional to 3,119,272.84, 4,679,075.58 and 989,527.24
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Solution
The fourth proportional to 3,119,272.84, 4,679,075.58 and 989,527.24 is: 1,484,343.62
Step by Step Solution
- Step 1: Write the proportion equation
3,119,272.84 : 4,679,075.58 = 989,527.24 : x - Step 2: Convert to fraction form
3,119,272.84/4,679,075.58 = 989,527.24/x - Step 3: Cross multiply
3,119,272.84x = 4,679,075.58 × 989,527.24 - Step 4: Simplify right side
3,119,272.84x = 4,630,072,744,428.80 - Step 5: Solve for x
x = 4,630,072,744,428.80/3,119,272.84 - Step 6: Final answer
x = 1,484,343.62
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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.