Finding the Fourth Proportional to 2,949,686.28, 4,070,955.12 and 1,660,777.92
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Solution
The fourth proportional to 2,949,686.28, 4,070,955.12 and 1,660,777.92 is: 2,292,092.02
Step by Step Solution
- Step 1: Write the proportion equation
2,949,686.28 : 4,070,955.12 = 1,660,777.92 : x - Step 2: Convert to fraction form
2,949,686.28/4,070,955.12 = 1,660,777.92/x - Step 3: Cross multiply
2,949,686.28x = 4,070,955.12 × 1,660,777.92 - Step 4: Simplify right side
2,949,686.28x = 6,760,952,376,606.95 - Step 5: Solve for x
x = 6,760,952,376,606.95/2,949,686.28 - Step 6: Final answer
x = 2,292,092.02
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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.