Finding the Fourth Proportional to 1,863,439.53, 2,795,292.78 and 497,206.05
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Solution
The fourth proportional to 1,863,439.53, 2,795,292.78 and 497,206.05 is: 745,844.69
Step by Step Solution
- Step 1: Write the proportion equation
1,863,439.53 : 2,795,292.78 = 497,206.05 : x - Step 2: Convert to fraction form
1,863,439.53/2,795,292.78 = 497,206.05/x - Step 3: Cross multiply
1,863,439.53x = 2,795,292.78 × 497,206.05 - Step 4: Simplify right side
1,863,439.53x = 1,389,836,481,737.32 - Step 5: Solve for x
x = 1,389,836,481,737.32/1,863,439.53 - Step 6: Final answer
x = 745,844.69
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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.