Finding the Fourth Proportional to 3,896,182.20, 5,844,273.30 and 2,620,723.80
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Solution
The fourth proportional to 3,896,182.20, 5,844,273.30 and 2,620,723.80 is: 3,931,085.70
Step by Step Solution
- Step 1: Write the proportion equation
3,896,182.20 : 5,844,273.30 = 2,620,723.80 : x - Step 2: Convert to fraction form
3,896,182.20/5,844,273.30 = 2,620,723.80/x - Step 3: Cross multiply
3,896,182.20x = 5,844,273.30 × 2,620,723.80 - Step 4: Simplify right side
3,896,182.20x = 15,316,226,131,014.54 - Step 5: Solve for x
x = 15,316,226,131,014.54/3,896,182.20 - Step 6: Final answer
x = 3,931,085.70
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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.