Finding the Fourth Proportional to 5,430,749.82, 7,494,439.67 and 2,983,519.40
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Solution
The fourth proportional to 5,430,749.82, 7,494,439.67 and 2,983,519.40 is: 4,117,259.48
Step by Step Solution
- Step 1: Write the proportion equation
5,430,749.82 : 7,494,439.67 = 2,983,519.40 : x - Step 2: Convert to fraction form
5,430,749.82/7,494,439.67 = 2,983,519.40/x - Step 3: Cross multiply
5,430,749.82x = 7,494,439.67 × 2,983,519.40 - Step 4: Simplify right side
5,430,749.82x = 22,359,806,173,769.50 - Step 5: Solve for x
x = 22,359,806,173,769.50/5,430,749.82 - Step 6: Final answer
x = 4,117,259.48
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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.