Finding the Fourth Proportional to 3,896,316.24, 5,376,450.78 and 2,153,750.28
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Solution
The fourth proportional to 3,896,316.24, 5,376,450.78 and 2,153,750.28 is: 2,971,918.00
Step by Step Solution
- Step 1: Write the proportion equation
3,896,316.24 : 5,376,450.78 = 2,153,750.28 : x - Step 2: Convert to fraction form
3,896,316.24/5,376,450.78 = 2,153,750.28/x - Step 3: Cross multiply
3,896,316.24x = 5,376,450.78 × 2,153,750.28 - Step 4: Simplify right side
3,896,316.24x = 11,579,532,372,831.22 - Step 5: Solve for x
x = 11,579,532,372,831.22/3,896,316.24 - Step 6: Final answer
x = 2,971,918.00
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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.