Finding the Fourth Proportional to 1,739,115.20, 2,605,447.20 and 988,932.80
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Solution
The fourth proportional to 1,739,115.20, 2,605,447.20 and 988,932.80 is: 1,481,564.99
Step by Step Solution
- Step 1: Write the proportion equation
1,739,115.20 : 2,605,447.20 = 988,932.80 : x - Step 2: Convert to fraction form
1,739,115.20/2,605,447.20 = 988,932.80/x - Step 3: Cross multiply
1,739,115.20x = 2,605,447.20 × 988,932.80 - Step 4: Simplify right side
1,739,115.20x = 2,576,612,194,748.16 - Step 5: Solve for x
x = 2,576,612,194,748.16/1,739,115.20 - Step 6: Final answer
x = 1,481,564.99
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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.