Finding the Fourth Proportional to 3,896,188.28, 5,376,559.58 and 2,177,293.76
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Solution
The fourth proportional to 3,896,188.28, 5,376,559.58 and 2,177,293.76 is: 3,004,564.66
Step by Step Solution
- Step 1: Write the proportion equation
3,896,188.28 : 5,376,559.58 = 2,177,293.76 : x - Step 2: Convert to fraction form
3,896,188.28/5,376,559.58 = 2,177,293.76/x - Step 3: Cross multiply
3,896,188.28x = 5,376,559.58 × 2,177,293.76 - Step 4: Simplify right side
3,896,188.28x = 11,706,349,623,802.22 - Step 5: Solve for x
x = 11,706,349,623,802.22/3,896,188.28 - Step 6: Final answer
x = 3,004,564.66
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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.