Finding the Fourth Proportional to 2,519,680.21, 3,779,534.19 and 626,421.67
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Solution
The fourth proportional to 2,519,680.21, 3,779,534.19 and 626,421.67 is: 939,635.95
Step by Step Solution
- Step 1: Write the proportion equation
2,519,680.21 : 3,779,534.19 = 626,421.67 : x - Step 2: Convert to fraction form
2,519,680.21/3,779,534.19 = 626,421.67/x - Step 3: Cross multiply
2,519,680.21x = 3,779,534.19 × 626,421.67 - Step 4: Simplify right side
2,519,680.21x = 2,367,582,119,121.90 - Step 5: Solve for x
x = 2,367,582,119,121.90/2,519,680.21 - Step 6: Final answer
x = 939,635.95
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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.