Finding the Fourth Proportional to 4,426,240.20, 6,639,360.30 and 4,398,246.60
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Solution
The fourth proportional to 4,426,240.20, 6,639,360.30 and 4,398,246.60 is: 6,597,369.90
Step by Step Solution
- Step 1: Write the proportion equation
4,426,240.20 : 6,639,360.30 = 4,398,246.60 : x - Step 2: Convert to fraction form
4,426,240.20/6,639,360.30 = 4,398,246.60/x - Step 3: Cross multiply
4,426,240.20x = 6,639,360.30 × 4,398,246.60 - Step 4: Simplify right side
4,426,240.20x = 29,201,543,865,649.98 - Step 5: Solve for x
x = 29,201,543,865,649.98/4,426,240.20 - Step 6: Final answer
x = 6,597,369.90
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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.