Finding the Fourth Proportional to 3,315,743.45, 4,973,614.88 and 919,588.05
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Solution
The fourth proportional to 3,315,743.45, 4,973,614.88 and 919,588.05 is: 1,379,381.99
Step by Step Solution
- Step 1: Write the proportion equation
3,315,743.45 : 4,973,614.88 = 919,588.05 : x - Step 2: Convert to fraction form
3,315,743.45/4,973,614.88 = 919,588.05/x - Step 3: Cross multiply
3,315,743.45x = 4,973,614.88 × 919,588.05 - Step 4: Simplify right side
3,315,743.45x = 4,573,676,804,352.24 - Step 5: Solve for x
x = 4,573,676,804,352.24/3,315,743.45 - Step 6: Final answer
x = 1,379,381.99
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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.