Finding the Fourth Proportional to 7,279,586.56, 10,919,383.48 and 2,487,322.81
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Solution
The fourth proportional to 7,279,586.56, 10,919,383.48 and 2,487,322.81 is: 3,730,985.46
Step by Step Solution
- Step 1: Write the proportion equation
7,279,586.56 : 10,919,383.48 = 2,487,322.81 : x - Step 2: Convert to fraction form
7,279,586.56/10,919,383.48 = 2,487,322.81/x - Step 3: Cross multiply
7,279,586.56x = 10,919,383.48 × 2,487,322.81 - Step 4: Simplify right side
7,279,586.56x = 27,160,031,600,941.18 - Step 5: Solve for x
x = 27,160,031,600,941.18/7,279,586.56 - Step 6: Final answer
x = 3,730,985.46
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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.