Finding the Fourth Proportional to 3,997,390.84, 5,996,087.30 and 1,119,181.70
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Solution
The fourth proportional to 3,997,390.84, 5,996,087.30 and 1,119,181.70 is: 1,678,772.83
Step by Step Solution
- Step 1: Write the proportion equation
3,997,390.84 : 5,996,087.30 = 1,119,181.70 : x - Step 2: Convert to fraction form
3,997,390.84/5,996,087.30 = 1,119,181.70/x - Step 3: Cross multiply
3,997,390.84x = 5,996,087.30 × 1,119,181.70 - Step 4: Simplify right side
3,997,390.84x = 6,710,711,142,186.07 - Step 5: Solve for x
x = 6,710,711,142,186.07/3,997,390.84 - Step 6: Final answer
x = 1,678,772.83
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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.