Finding the Fourth Proportional to 1,391,711.24, 2,084,023.01 and 916,957.28
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Solution
The fourth proportional to 1,391,711.24, 2,084,023.01 and 916,957.28 is: 1,373,100.99
Step by Step Solution
- Step 1: Write the proportion equation
1,391,711.24 : 2,084,023.01 = 916,957.28 : x - Step 2: Convert to fraction form
1,391,711.24/2,084,023.01 = 916,957.28/x - Step 3: Cross multiply
1,391,711.24x = 2,084,023.01 × 916,957.28 - Step 4: Simplify right side
1,391,711.24x = 1,910,960,078,209.46 - Step 5: Solve for x
x = 1,910,960,078,209.46/1,391,711.24 - Step 6: Final answer
x = 1,373,100.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.