Finding the Fourth Proportional to 1,472,216.16, 2,208,324.75 and 461,416.55
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Solution
The fourth proportional to 1,472,216.16, 2,208,324.75 and 461,416.55 is: 692,124.98
Step by Step Solution
- Step 1: Write the proportion equation
1,472,216.16 : 2,208,324.75 = 461,416.55 : x - Step 2: Convert to fraction form
1,472,216.16/2,208,324.75 = 461,416.55/x - Step 3: Cross multiply
1,472,216.16x = 2,208,324.75 × 461,416.55 - Step 4: Simplify right side
1,472,216.16x = 1,018,957,576,382.99 - Step 5: Solve for x
x = 1,018,957,576,382.99/1,472,216.16 - Step 6: Final answer
x = 692,124.98
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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.