Finding the Fourth Proportional to 5,782,848.88, 7,980,378.68 and 3,204,572.68
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Solution
The fourth proportional to 5,782,848.88, 7,980,378.68 and 3,204,572.68 is: 4,422,336.47
Step by Step Solution
- Step 1: Write the proportion equation
5,782,848.88 : 7,980,378.68 = 3,204,572.68 : x - Step 2: Convert to fraction form
5,782,848.88/7,980,378.68 = 3,204,572.68/x - Step 3: Cross multiply
5,782,848.88x = 7,980,378.68 × 3,204,572.68 - Step 4: Simplify right side
5,782,848.88x = 25,573,703,493,982.46 - Step 5: Solve for x
x = 25,573,703,493,982.46/5,782,848.88 - Step 6: Final answer
x = 4,422,336.47
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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.