Finding the Fourth Proportional to 3,571,812.68, 4,920,088.52 and 2,881,551.74
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Solution
The fourth proportional to 3,571,812.68, 4,920,088.52 and 2,881,551.74 is: 3,969,270.20
Step by Step Solution
- Step 1: Write the proportion equation
3,571,812.68 : 4,920,088.52 = 2,881,551.74 : x - Step 2: Convert to fraction form
3,571,812.68/4,920,088.52 = 2,881,551.74/x - Step 3: Cross multiply
3,571,812.68x = 4,920,088.52 × 2,881,551.74 - Step 4: Simplify right side
3,571,812.68x = 14,177,489,621,352.27 - Step 5: Solve for x
x = 14,177,489,621,352.27/3,571,812.68 - Step 6: Final answer
x = 3,969,270.20
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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.