Finding the Fourth Proportional to 4,452,069.40, 6,670,230.90 and 3,774,974.20
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Solution
The fourth proportional to 4,452,069.40, 6,670,230.90 and 3,774,974.20 is: 5,655,785.50
Step by Step Solution
- Step 1: Write the proportion equation
4,452,069.40 : 6,670,230.90 = 3,774,974.20 : x - Step 2: Convert to fraction form
4,452,069.40/6,670,230.90 = 3,774,974.20/x - Step 3: Cross multiply
4,452,069.40x = 6,670,230.90 × 3,774,974.20 - Step 4: Simplify right side
4,452,069.40x = 25,179,949,555,542.78 - Step 5: Solve for x
x = 25,179,949,555,542.78/4,452,069.40 - Step 6: Final answer
x = 5,655,785.50
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1.5x scale
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.