Finding the Fourth Proportional to 2,128,241.47, 2,937,035.29 and 1,161,434.04
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Solution
The fourth proportional to 2,128,241.47, 2,937,035.29 and 1,161,434.04 is: 1,602,812.84
Step by Step Solution
- Step 1: Write the proportion equation
2,128,241.47 : 2,937,035.29 = 1,161,434.04 : x - Step 2: Convert to fraction form
2,128,241.47/2,937,035.29 = 1,161,434.04/x - Step 3: Cross multiply
2,128,241.47x = 2,937,035.29 × 1,161,434.04 - Step 4: Simplify right side
2,128,241.47x = 3,411,172,759,583.69 - Step 5: Solve for x
x = 3,411,172,759,583.69/2,128,241.47 - Step 6: Final answer
x = 1,602,812.84
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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.