Finding the Fourth Proportional to 1,395,107.58, 1,925,122.93 and 814,381.12
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Solution
The fourth proportional to 1,395,107.58, 1,925,122.93 and 814,381.12 is: 1,123,772.67
Step by Step Solution
- Step 1: Write the proportion equation
1,395,107.58 : 1,925,122.93 = 814,381.12 : x - Step 2: Convert to fraction form
1,395,107.58/1,925,122.93 = 814,381.12/x - Step 3: Cross multiply
1,395,107.58x = 1,925,122.93 × 814,381.12 - Step 4: Simplify right side
1,395,107.58x = 1,567,783,767,871.08 - Step 5: Solve for x
x = 1,567,783,767,871.08/1,395,107.58 - Step 6: Final answer
x = 1,123,772.67
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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.