Finding the Fourth Proportional to 5,571,069.82, 7,685,246.81 and 3,638,461.66
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Solution
The fourth proportional to 5,571,069.82, 7,685,246.81 and 3,638,461.66 is: 5,019,229.12
Step by Step Solution
- Step 1: Write the proportion equation
5,571,069.82 : 7,685,246.81 = 3,638,461.66 : x - Step 2: Convert to fraction form
5,571,069.82/7,685,246.81 = 3,638,461.66/x - Step 3: Cross multiply
5,571,069.82x = 7,685,246.81 × 3,638,461.66 - Step 4: Simplify right side
5,571,069.82x = 27,962,475,855,705.34 - Step 5: Solve for x
x = 27,962,475,855,705.34/5,571,069.82 - Step 6: Final answer
x = 5,019,229.12
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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.