Finding the Fourth Proportional to 1,439,293.41, 2,158,563.33 and 428,143.14
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Solution
The fourth proportional to 1,439,293.41, 2,158,563.33 and 428,143.14 is: 642,102.63
Step by Step Solution
- Step 1: Write the proportion equation
1,439,293.41 : 2,158,563.33 = 428,143.14 : x - Step 2: Convert to fraction form
1,439,293.41/2,158,563.33 = 428,143.14/x - Step 3: Cross multiply
1,439,293.41x = 2,158,563.33 × 428,143.14 - Step 4: Simplify right side
1,439,293.41x = 924,174,081,995.06 - Step 5: Solve for x
x = 924,174,081,995.06/1,439,293.41 - Step 6: Final answer
x = 642,102.63
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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.