Finding the Fourth Proportional to 4,201,877.70, 6,302,816.55 and 4,113,304.20
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Solution
The fourth proportional to 4,201,877.70, 6,302,816.55 and 4,113,304.20 is: 6,169,956.30
Step by Step Solution
- Step 1: Write the proportion equation
4,201,877.70 : 6,302,816.55 = 4,113,304.20 : x - Step 2: Convert to fraction form
4,201,877.70/6,302,816.55 = 4,113,304.20/x - Step 3: Cross multiply
4,201,877.70x = 6,302,816.55 × 4,113,304.20 - Step 4: Simplify right side
4,201,877.70x = 25,925,401,786,944.51 - Step 5: Solve for x
x = 25,925,401,786,944.51/4,201,877.70 - Step 6: Final answer
x = 6,169,956.30
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1.5x scale
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.