Finding the Fourth Proportional to 1,942,586.64, 2,912,218.14 and 745,368.15
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Solution
The fourth proportional to 1,942,586.64, 2,912,218.14 and 745,368.15 is: 1,117,414.59
Step by Step Solution
- Step 1: Write the proportion equation
1,942,586.64 : 2,912,218.14 = 745,368.15 : x - Step 2: Convert to fraction form
1,942,586.64/2,912,218.14 = 745,368.15/x - Step 3: Cross multiply
1,942,586.64x = 2,912,218.14 × 745,368.15 - Step 4: Simplify right side
1,942,586.64x = 2,170,674,647,408.24 - Step 5: Solve for x
x = 2,170,674,647,408.24/1,942,586.64 - Step 6: Final answer
x = 1,117,414.59
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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.