Finding the Fourth Proportional to 1,472,219.21, 2,208,329.12 and 461,340.97
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Solution
The fourth proportional to 1,472,219.21, 2,208,329.12 and 461,340.97 is: 692,011.55
Step by Step Solution
- Step 1: Write the proportion equation
1,472,219.21 : 2,208,329.12 = 461,340.97 : x - Step 2: Convert to fraction form
1,472,219.21/2,208,329.12 = 461,340.97/x - Step 3: Cross multiply
1,472,219.21x = 2,208,329.12 × 461,340.97 - Step 4: Simplify right side
1,472,219.21x = 1,018,792,693,932.58 - Step 5: Solve for x
x = 1,018,792,693,932.58/1,472,219.21 - Step 6: Final answer
x = 692,011.55
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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.