Finding the Fourth Proportional to 1,977,819.12, 2,966,728.68 and 715,351.50
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Solution
The fourth proportional to 1,977,819.12, 2,966,728.68 and 715,351.50 is: 1,073,027.25
Step by Step Solution
- Step 1: Write the proportion equation
1,977,819.12 : 2,966,728.68 = 715,351.50 : x - Step 2: Convert to fraction form
1,977,819.12/2,966,728.68 = 715,351.50/x - Step 3: Cross multiply
1,977,819.12x = 2,966,728.68 × 715,351.50 - Step 4: Simplify right side
1,977,819.12x = 2,122,253,811,331.02 - Step 5: Solve for x
x = 2,122,253,811,331.02/1,977,819.12 - Step 6: Final answer
x = 1,073,027.25
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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.