Finding the Fourth Proportional to 1,625,792.45, 2,438,099.62 and 545,981.94
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Solution
The fourth proportional to 1,625,792.45, 2,438,099.62 and 545,981.94 is: 818,775.09
Step by Step Solution
- Step 1: Write the proportion equation
1,625,792.45 : 2,438,099.62 = 545,981.94 : x - Step 2: Convert to fraction form
1,625,792.45/2,438,099.62 = 545,981.94/x - Step 3: Cross multiply
1,625,792.45x = 2,438,099.62 × 545,981.94 - Step 4: Simplify right side
1,625,792.45x = 1,331,158,359,075.91 - Step 5: Solve for x
x = 1,331,158,359,075.91/1,625,792.45 - Step 6: Final answer
x = 818,775.09
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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.