Finding the Fourth Proportional to 2,553,813.32, 3,524,289.54 and 1,407,934.70
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Solution
The fourth proportional to 2,553,813.32, 3,524,289.54 and 1,407,934.70 is: 1,942,964.86
Step by Step Solution
- Step 1: Write the proportion equation
2,553,813.32 : 3,524,289.54 = 1,407,934.70 : x - Step 2: Convert to fraction form
2,553,813.32/3,524,289.54 = 1,407,934.70/x - Step 3: Cross multiply
2,553,813.32x = 3,524,289.54 × 1,407,934.70 - Step 4: Simplify right side
2,553,813.32x = 4,961,969,536,213.04 - Step 5: Solve for x
x = 4,961,969,536,213.04/2,553,813.32 - Step 6: Final answer
x = 1,942,964.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.