Finding the Fourth Proportional to 4,648,522.20, 6,972,783.30 and 3,136,867.80
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Solution
The fourth proportional to 4,648,522.20, 6,972,783.30 and 3,136,867.80 is: 4,705,301.70
Step by Step Solution
- Step 1: Write the proportion equation
4,648,522.20 : 6,972,783.30 = 3,136,867.80 : x - Step 2: Convert to fraction form
4,648,522.20/6,972,783.30 = 3,136,867.80/x - Step 3: Cross multiply
4,648,522.20x = 6,972,783.30 × 3,136,867.80 - Step 4: Simplify right side
4,648,522.20x = 21,872,699,410,147.74 - Step 5: Solve for x
x = 21,872,699,410,147.74/4,648,522.20 - Step 6: Final answer
x = 4,705,301.70
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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.