Finding the Fourth Proportional to 1,489,527.68, 2,232,541.91 and 689,118.48
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Solution
The fourth proportional to 1,489,527.68, 2,232,541.91 and 689,118.48 is: 1,032,868.28
Step by Step Solution
- Step 1: Write the proportion equation
1,489,527.68 : 2,232,541.91 = 689,118.48 : x - Step 2: Convert to fraction form
1,489,527.68/2,232,541.91 = 689,118.48/x - Step 3: Cross multiply
1,489,527.68x = 2,232,541.91 × 689,118.48 - Step 4: Simplify right side
1,489,527.68x = 1,538,485,889,278.29 - Step 5: Solve for x
x = 1,538,485,889,278.29/1,489,527.68 - Step 6: Final answer
x = 1,032,868.28
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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.