Finding the Fourth Proportional to 1,715,419.24, 2,365,728.90 and 1,070,898.76
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Solution
The fourth proportional to 1,715,419.24, 2,365,728.90 and 1,070,898.76 is: 1,476,872.88
Step by Step Solution
- Step 1: Write the proportion equation
1,715,419.24 : 2,365,728.90 = 1,070,898.76 : x - Step 2: Convert to fraction form
1,715,419.24/2,365,728.90 = 1,070,898.76/x - Step 3: Cross multiply
1,715,419.24x = 2,365,728.90 × 1,070,898.76 - Step 4: Simplify right side
1,715,419.24x = 2,533,456,145,506.16 - Step 5: Solve for x
x = 2,533,456,145,506.16/1,715,419.24 - Step 6: Final answer
x = 1,476,872.88
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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.