Finding the Fourth Proportional to 1,722,380.10, 2,377,306.44 and 1,334,428.17
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Solution
The fourth proportional to 1,722,380.10, 2,377,306.44 and 1,334,428.17 is: 1,841,837.75
Step by Step Solution
- Step 1: Write the proportion equation
1,722,380.10 : 2,377,306.44 = 1,334,428.17 : x - Step 2: Convert to fraction form
1,722,380.10/2,377,306.44 = 1,334,428.17/x - Step 3: Cross multiply
1,722,380.10x = 2,377,306.44 × 1,334,428.17 - Step 4: Simplify right side
1,722,380.10x = 3,172,344,682,258.41 - Step 5: Solve for x
x = 3,172,344,682,258.41/1,722,380.10 - Step 6: Final answer
x = 1,841,837.75
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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.