Finding the Fourth Proportional to 2,164,407.28, 2,986,842.68 and 1,197,537.57
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Solution
The fourth proportional to 2,164,407.28, 2,986,842.68 and 1,197,537.57 is: 1,652,580.07
Step by Step Solution
- Step 1: Write the proportion equation
2,164,407.28 : 2,986,842.68 = 1,197,537.57 : x - Step 2: Convert to fraction form
2,164,407.28/2,986,842.68 = 1,197,537.57/x - Step 3: Cross multiply
2,164,407.28x = 2,986,842.68 × 1,197,537.57 - Step 4: Simplify right side
2,164,407.28x = 3,576,856,324,979.49 - Step 5: Solve for x
x = 3,576,856,324,979.49/2,164,407.28 - Step 6: Final answer
x = 1,652,580.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.