Finding the Fourth Proportional to 3,143,130.03, 4,735,697.79 and 2,839,876.43
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Solution
The fourth proportional to 3,143,130.03, 4,735,697.79 and 2,839,876.43 is: 4,278,791.02
Step by Step Solution
- Step 1: Write the proportion equation
3,143,130.03 : 4,735,697.79 = 2,839,876.43 : x - Step 2: Convert to fraction form
3,143,130.03/4,735,697.79 = 2,839,876.43/x - Step 3: Cross multiply
3,143,130.03x = 4,735,697.79 × 2,839,876.43 - Step 4: Simplify right side
3,143,130.03x = 13,448,796,533,424.09 - Step 5: Solve for x
x = 13,448,796,533,424.09/3,143,130.03 - Step 6: Final answer
x = 4,278,791.02
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.