Finding the Fourth Proportional to 4,138,531.21, 6,207,724.50 and 1,862,444.98
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Solution
The fourth proportional to 4,138,531.21, 6,207,724.50 and 1,862,444.98 is: 2,793,634.93
Step by Step Solution
- Step 1: Write the proportion equation
4,138,531.21 : 6,207,724.50 = 1,862,444.98 : x - Step 2: Convert to fraction form
4,138,531.21/6,207,724.50 = 1,862,444.98/x - Step 3: Cross multiply
4,138,531.21x = 6,207,724.50 × 1,862,444.98 - Step 4: Simplify right side
4,138,531.21x = 11,561,545,332,248.01 - Step 5: Solve for x
x = 11,561,545,332,248.01/4,138,531.21 - Step 6: Final answer
x = 2,793,634.93
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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.