Finding the Fourth Proportional to 6,275,059.74, 8,660,451.12 and 3,521,911.05
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Solution
The fourth proportional to 6,275,059.74, 8,660,451.12 and 3,521,911.05 is: 4,860,724.80
Step by Step Solution
- Step 1: Write the proportion equation
6,275,059.74 : 8,660,451.12 = 3,521,911.05 : x - Step 2: Convert to fraction form
6,275,059.74/8,660,451.12 = 3,521,911.05/x - Step 3: Cross multiply
6,275,059.74x = 8,660,451.12 × 3,521,911.05 - Step 4: Simplify right side
6,275,059.74x = 30,501,338,497,512.87 - Step 5: Solve for x
x = 30,501,338,497,512.87/6,275,059.74 - Step 6: Final answer
x = 4,860,724.80
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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.