Finding the Fourth Proportional to 4,988,471.74, 7,480,382.49 and 2,591,672.83
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Solution
The fourth proportional to 4,988,471.74, 7,480,382.49 and 2,591,672.83 is: 3,886,301.27
Step by Step Solution
- Step 1: Write the proportion equation
4,988,471.74 : 7,480,382.49 = 2,591,672.83 : x - Step 2: Convert to fraction form
4,988,471.74/7,480,382.49 = 2,591,672.83/x - Step 3: Cross multiply
4,988,471.74x = 7,480,382.49 × 2,591,672.83 - Step 4: Simplify right side
4,988,471.74x = 19,386,704,038,639.79 - Step 5: Solve for x
x = 19,386,704,038,639.79/4,988,471.74 - Step 6: Final answer
x = 3,886,301.27
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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.