Finding the Fourth Proportional to 7,205,434.79, 9,942,517.99 and 4,304,209.79
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Solution
The fourth proportional to 7,205,434.79, 9,942,517.99 and 4,304,209.79 is: 5,939,222.90
Step by Step Solution
- Step 1: Write the proportion equation
7,205,434.79 : 9,942,517.99 = 4,304,209.79 : x - Step 2: Convert to fraction form
7,205,434.79/9,942,517.99 = 4,304,209.79/x - Step 3: Cross multiply
7,205,434.79x = 9,942,517.99 × 4,304,209.79 - Step 4: Simplify right side
7,205,434.79x = 42,794,683,275,834.51 - Step 5: Solve for x
x = 42,794,683,275,834.51/7,205,434.79 - Step 6: Final answer
x = 5,939,222.90
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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.