Finding the Fourth Proportional to 2,135,551.32, 2,946,776.22 and 1,229,958.36
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Solution
The fourth proportional to 2,135,551.32, 2,946,776.22 and 1,229,958.36 is: 1,697,178.62
Step by Step Solution
- Step 1: Write the proportion equation
2,135,551.32 : 2,946,776.22 = 1,229,958.36 : x - Step 2: Convert to fraction form
2,135,551.32/2,946,776.22 = 1,229,958.36/x - Step 3: Cross multiply
2,135,551.32x = 2,946,776.22 × 1,229,958.36 - Step 4: Simplify right side
2,135,551.32x = 3,624,412,046,838.20 - Step 5: Solve for x
x = 3,624,412,046,838.20/2,135,551.32 - Step 6: Final answer
x = 1,697,178.62
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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.