Finding the Fourth Proportional to 2,912,369.19, 4,369,184.39 and 1,115,252.75
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Solution
The fourth proportional to 2,912,369.19, 4,369,184.39 and 1,115,252.75 is: 1,673,120.60
Step by Step Solution
- Step 1: Write the proportion equation
2,912,369.19 : 4,369,184.39 = 1,115,252.75 : x - Step 2: Convert to fraction form
2,912,369.19/4,369,184.39 = 1,115,252.75/x - Step 3: Cross multiply
2,912,369.19x = 4,369,184.39 × 1,115,252.75 - Step 4: Simplify right side
2,912,369.19x = 4,872,744,878,782.39 - Step 5: Solve for x
x = 4,872,744,878,782.39/2,912,369.19 - Step 6: Final answer
x = 1,673,120.60
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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.