Finding the Fourth Proportional to 4,086,820.20, 6,119,732.70 and 3,240,013.80
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Solution
The fourth proportional to 4,086,820.20, 6,119,732.70 and 3,240,013.80 is: 4,851,698.25
Step by Step Solution
- Step 1: Write the proportion equation
4,086,820.20 : 6,119,732.70 = 3,240,013.80 : x - Step 2: Convert to fraction form
4,086,820.20/6,119,732.70 = 3,240,013.80/x - Step 3: Cross multiply
4,086,820.20x = 6,119,732.70 × 3,240,013.80 - Step 4: Simplify right side
4,086,820.20x = 19,828,018,400,311.26 - Step 5: Solve for x
x = 19,828,018,400,311.26/4,086,820.20 - Step 6: Final answer
x = 4,851,698.25
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.