Finding the Fourth Proportional to 2,108,915.13, 2,910,304.44 and 1,142,046.48
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Solution
The fourth proportional to 2,108,915.13, 2,910,304.44 and 1,142,046.48 is: 1,576,024.99
Step by Step Solution
- Step 1: Write the proportion equation
2,108,915.13 : 2,910,304.44 = 1,142,046.48 : x - Step 2: Convert to fraction form
2,108,915.13/2,910,304.44 = 1,142,046.48/x - Step 3: Cross multiply
2,108,915.13x = 2,910,304.44 × 1,142,046.48 - Step 4: Simplify right side
2,108,915.13x = 3,323,702,941,430.37 - Step 5: Solve for x
x = 3,323,702,941,430.37/2,108,915.13 - Step 6: Final answer
x = 1,576,024.99
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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.