Finding the Fourth Proportional to 1,428,930.99, 2,143,372.19 and 670,596.03
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Solution
The fourth proportional to 1,428,930.99, 2,143,372.19 and 670,596.03 is: 1,005,882.64
Step by Step Solution
- Step 1: Write the proportion equation
1,428,930.99 : 2,143,372.19 = 670,596.03 : x - Step 2: Convert to fraction form
1,428,930.99/2,143,372.19 = 670,596.03/x - Step 3: Cross multiply
1,428,930.99x = 2,143,372.19 × 670,596.03 - Step 4: Simplify right side
1,428,930.99x = 1,437,336,878,073.43 - Step 5: Solve for x
x = 1,437,336,878,073.43/1,428,930.99 - Step 6: Final answer
x = 1,005,882.64
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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.