Finding the Fourth Proportional to 4,941,079.20, 7,399,177.20 and 3,249,021.60
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Solution
The fourth proportional to 4,941,079.20, 7,399,177.20 and 3,249,021.60 is: 4,865,351.39
Step by Step Solution
- Step 1: Write the proportion equation
4,941,079.20 : 7,399,177.20 = 3,249,021.60 : x - Step 2: Convert to fraction form
4,941,079.20/7,399,177.20 = 3,249,021.60/x - Step 3: Cross multiply
4,941,079.20x = 7,399,177.20 × 3,249,021.60 - Step 4: Simplify right side
4,941,079.20x = 24,040,086,545,027.52 - Step 5: Solve for x
x = 24,040,086,545,027.52/4,941,079.20 - Step 6: Final answer
x = 4,865,351.39
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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.