Finding the Fourth Proportional to 3,063,289.20, 4,227,304.36 and 1,686,604.79
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Solution
The fourth proportional to 3,063,289.20, 4,227,304.36 and 1,686,604.79 is: 2,327,495.49
Step by Step Solution
- Step 1: Write the proportion equation
3,063,289.20 : 4,227,304.36 = 1,686,604.79 : x - Step 2: Convert to fraction form
3,063,289.20/4,227,304.36 = 1,686,604.79/x - Step 3: Cross multiply
3,063,289.20x = 4,227,304.36 × 1,686,604.79 - Step 4: Simplify right side
3,063,289.20x = 7,129,791,782,363.89 - Step 5: Solve for x
x = 7,129,791,782,363.89/3,063,289.20 - Step 6: Final answer
x = 2,327,495.49
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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.