Finding the Fourth Proportional to 3,158,188.92, 4,358,227.88 and 1,869,050.84
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Solution
The fourth proportional to 3,158,188.92, 4,358,227.88 and 1,869,050.84 is: 2,579,247.05
Step by Step Solution
- Step 1: Write the proportion equation
3,158,188.92 : 4,358,227.88 = 1,869,050.84 : x - Step 2: Convert to fraction form
3,158,188.92/4,358,227.88 = 1,869,050.84/x - Step 3: Cross multiply
3,158,188.92x = 4,358,227.88 × 1,869,050.84 - Step 4: Simplify right side
3,158,188.92x = 8,145,749,462,906.91 - Step 5: Solve for x
x = 8,145,749,462,906.91/3,158,188.92 - Step 6: Final answer
x = 2,579,247.05
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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.