Finding the Fourth Proportional to 1,761,881.21, 2,431,462.79 and 987,526.24
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Solution
The fourth proportional to 1,761,881.21, 2,431,462.79 and 987,526.24 is: 1,362,823.61
Step by Step Solution
- Step 1: Write the proportion equation
1,761,881.21 : 2,431,462.79 = 987,526.24 : x - Step 2: Convert to fraction form
1,761,881.21/2,431,462.79 = 987,526.24/x - Step 3: Cross multiply
1,761,881.21x = 2,431,462.79 × 987,526.24 - Step 4: Simplify right side
1,761,881.21x = 2,401,133,306,708.61 - Step 5: Solve for x
x = 2,401,133,306,708.61/1,761,881.21 - Step 6: Final answer
x = 1,362,823.61
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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.