Finding the Fourth Proportional to 3,798,470.45, 5,698,174.18 and 1,239,001.12
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Solution
The fourth proportional to 3,798,470.45, 5,698,174.18 and 1,239,001.12 is: 1,858,654.49
Step by Step Solution
- Step 1: Write the proportion equation
3,798,470.45 : 5,698,174.18 = 1,239,001.12 : x - Step 2: Convert to fraction form
3,798,470.45/5,698,174.18 = 1,239,001.12/x - Step 3: Cross multiply
3,798,470.45x = 5,698,174.18 × 1,239,001.12 - Step 4: Simplify right side
3,798,470.45x = 7,060,044,156,289.21 - Step 5: Solve for x
x = 7,060,044,156,289.21/3,798,470.45 - Step 6: Final answer
x = 1,858,654.49
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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.