Finding the Fourth Proportional to 4,786,394.26, 7,177,488.03 and 1,792,478.74
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Solution
The fourth proportional to 4,786,394.26, 7,177,488.03 and 1,792,478.74 is: 2,687,930.41
Step by Step Solution
- Step 1: Write the proportion equation
4,786,394.26 : 7,177,488.03 = 1,792,478.74 : x - Step 2: Convert to fraction form
4,786,394.26/7,177,488.03 = 1,792,478.74/x - Step 3: Cross multiply
4,786,394.26x = 7,177,488.03 × 1,792,478.74 - Step 4: Simplify right side
4,786,394.26x = 12,865,494,700,379.48 - Step 5: Solve for x
x = 12,865,494,700,379.48/4,786,394.26 - Step 6: Final answer
x = 2,687,930.41
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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.