Finding the Fourth Proportional to 5,626,657.98, 8,439,103.28 and 1,787,974.99
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Solution
The fourth proportional to 5,626,657.98, 8,439,103.28 and 1,787,974.99 is: 2,681,681.67
Step by Step Solution
- Step 1: Write the proportion equation
5,626,657.98 : 8,439,103.28 = 1,787,974.99 : x - Step 2: Convert to fraction form
5,626,657.98/8,439,103.28 = 1,787,974.99/x - Step 3: Cross multiply
5,626,657.98x = 8,439,103.28 × 1,787,974.99 - Step 4: Simplify right side
5,626,657.98x = 15,088,905,586,039.15 - Step 5: Solve for x
x = 15,088,905,586,039.15/5,626,657.98 - Step 6: Final answer
x = 2,681,681.67
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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.