Finding the Fourth Proportional to 3,612,044.73, 4,984,583.76 and 1,980,448.08
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Solution
The fourth proportional to 3,612,044.73, 4,984,583.76 and 1,980,448.08 is: 2,732,997.53
Step by Step Solution
- Step 1: Write the proportion equation
3,612,044.73 : 4,984,583.76 = 1,980,448.08 : x - Step 2: Convert to fraction form
3,612,044.73/4,984,583.76 = 1,980,448.08/x - Step 3: Cross multiply
3,612,044.73x = 4,984,583.76 × 1,980,448.08 - Step 4: Simplify right side
3,612,044.73x = 9,871,709,337,091.18 - Step 5: Solve for x
x = 9,871,709,337,091.18/3,612,044.73 - Step 6: Final answer
x = 2,732,997.53
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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.