Finding the Fourth Proportional to 5,691,278.34, 8,536,288.50 and 1,431,448.20
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Solution
The fourth proportional to 5,691,278.34, 8,536,288.50 and 1,431,448.20 is: 2,147,014.09
Step by Step Solution
- Step 1: Write the proportion equation
5,691,278.34 : 8,536,288.50 = 1,431,448.20 : x - Step 2: Convert to fraction form
5,691,278.34/8,536,288.50 = 1,431,448.20/x - Step 3: Cross multiply
5,691,278.34x = 8,536,288.50 × 1,431,448.20 - Step 4: Simplify right side
5,691,278.34x = 12,219,254,808,005.70 - Step 5: Solve for x
x = 12,219,254,808,005.70/5,691,278.34 - Step 6: Final answer
x = 2,147,014.09
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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.