Finding the Fourth Proportional to 7,617,792.24, 11,426,863.70 and 1,860,573.67
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Solution
The fourth proportional to 7,617,792.24, 11,426,863.70 and 1,860,573.67 is: 2,790,903.33
Step by Step Solution
- Step 1: Write the proportion equation
7,617,792.24 : 11,426,863.70 = 1,860,573.67 : x - Step 2: Convert to fraction form
7,617,792.24/11,426,863.70 = 1,860,573.67/x - Step 3: Cross multiply
7,617,792.24x = 11,426,863.70 × 1,860,573.67 - Step 4: Simplify right side
7,617,792.24x = 21,260,521,706,983.05 - Step 5: Solve for x
x = 21,260,521,706,983.05/7,617,792.24 - Step 6: Final answer
x = 2,790,903.33
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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.