Finding the Fourth Proportional to 1,937,564.79, 2,906,344.43 and 658,305.12
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Solution
The fourth proportional to 1,937,564.79, 2,906,344.43 and 658,305.12 is: 987,456.75
Step by Step Solution
- Step 1: Write the proportion equation
1,937,564.79 : 2,906,344.43 = 658,305.12 : x - Step 2: Convert to fraction form
1,937,564.79/2,906,344.43 = 658,305.12/x - Step 3: Cross multiply
1,937,564.79x = 2,906,344.43 × 658,305.12 - Step 4: Simplify right side
1,937,564.79x = 1,913,261,428,828.39 - Step 5: Solve for x
x = 1,913,261,428,828.39/1,937,564.79 - Step 6: Final answer
x = 987,456.75
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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.