Finding the Fourth Proportional to 4,928,726.40, 7,393,789.44 and 1,517,296.92
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Solution
The fourth proportional to 4,928,726.40, 7,393,789.44 and 1,517,296.92 is: 2,276,160.82
Step by Step Solution
- Step 1: Write the proportion equation
4,928,726.40 : 7,393,789.44 = 1,517,296.92 : x - Step 2: Convert to fraction form
4,928,726.40/7,393,789.44 = 1,517,296.92/x - Step 3: Cross multiply
4,928,726.40x = 7,393,789.44 × 1,517,296.92 - Step 4: Simplify right side
4,928,726.40x = 11,218,573,944,440.53 - Step 5: Solve for x
x = 11,218,573,944,440.53/4,928,726.40 - Step 6: Final answer
x = 2,276,160.82
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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.