Finding the Fourth Proportional to 2,277,343.62, 3,140,698.73 and 1,889,545.05
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Solution
The fourth proportional to 2,277,343.62, 3,140,698.73 and 1,889,545.05 is: 2,605,883.31
Step by Step Solution
- Step 1: Write the proportion equation
2,277,343.62 : 3,140,698.73 = 1,889,545.05 : x - Step 2: Convert to fraction form
2,277,343.62/3,140,698.73 = 1,889,545.05/x - Step 3: Cross multiply
2,277,343.62x = 3,140,698.73 × 1,889,545.05 - Step 4: Simplify right side
2,277,343.62x = 5,934,491,729,365.06 - Step 5: Solve for x
x = 5,934,491,729,365.06/2,277,343.62 - Step 6: Final answer
x = 2,605,883.31
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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.