Finding the Fourth Proportional to 3,955,396.80, 5,923,418.61 and 3,572,011.44
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Solution
The fourth proportional to 3,955,396.80, 5,923,418.61 and 3,572,011.44 is: 5,349,278.49
Step by Step Solution
- Step 1: Write the proportion equation
3,955,396.80 : 5,923,418.61 = 3,572,011.44 : x - Step 2: Convert to fraction form
3,955,396.80/5,923,418.61 = 3,572,011.44/x - Step 3: Cross multiply
3,955,396.80x = 5,923,418.61 × 3,572,011.44 - Step 4: Simplify right side
3,955,396.80x = 21,158,519,038,828.90 - Step 5: Solve for x
x = 21,158,519,038,828.90/3,955,396.80 - Step 6: Final answer
x = 5,349,278.49
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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.