Finding the Fourth Proportional to 1,417,253.16, 2,125,887.42 and 419,989.80
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Solution
The fourth proportional to 1,417,253.16, 2,125,887.42 and 419,989.80 is: 629,986.98
Step by Step Solution
- Step 1: Write the proportion equation
1,417,253.16 : 2,125,887.42 = 419,989.80 : x - Step 2: Convert to fraction form
1,417,253.16/2,125,887.42 = 419,989.80/x - Step 3: Cross multiply
1,417,253.16x = 2,125,887.42 × 419,989.80 - Step 4: Simplify right side
1,417,253.16x = 892,851,032,348.32 - Step 5: Solve for x
x = 892,851,032,348.32/1,417,253.16 - Step 6: Final answer
x = 629,986.98
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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.