Finding the Fourth Proportional to 5,452,988.18, 7,524,681.20 and 3,161,296.49
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Solution
The fourth proportional to 5,452,988.18, 7,524,681.20 and 3,161,296.49 is: 4,362,332.63
Step by Step Solution
- Step 1: Write the proportion equation
5,452,988.18 : 7,524,681.20 = 3,161,296.49 : x - Step 2: Convert to fraction form
5,452,988.18/7,524,681.20 = 3,161,296.49/x - Step 3: Cross multiply
5,452,988.18x = 7,524,681.20 × 3,161,296.49 - Step 4: Simplify right side
5,452,988.18x = 23,787,748,265,928.99 - Step 5: Solve for x
x = 23,787,748,265,928.99/5,452,988.18 - Step 6: Final answer
x = 4,362,332.63
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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.