Finding the Fourth Proportional to 7,660,454.12, 10,571,340.62 and 4,175,716.60
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Solution
The fourth proportional to 7,660,454.12, 10,571,340.62 and 4,175,716.60 is: 5,762,441.99
Step by Step Solution
- Step 1: Write the proportion equation
7,660,454.12 : 10,571,340.62 = 4,175,716.60 : x - Step 2: Convert to fraction form
7,660,454.12/10,571,340.62 = 4,175,716.60/x - Step 3: Cross multiply
7,660,454.12x = 10,571,340.62 × 4,175,716.60 - Step 4: Simplify right side
7,660,454.12x = 44,142,922,498,048.52 - Step 5: Solve for x
x = 44,142,922,498,048.52/7,660,454.12 - Step 6: Final answer
x = 5,762,441.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.