Finding the Fourth Proportional to 2,868,775.47, 3,958,997.25 and 1,579,661.98
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Solution
The fourth proportional to 2,868,775.47, 3,958,997.25 and 1,579,661.98 is: 2,179,981.49
Step by Step Solution
- Step 1: Write the proportion equation
2,868,775.47 : 3,958,997.25 = 1,579,661.98 : x - Step 2: Convert to fraction form
2,868,775.47/3,958,997.25 = 1,579,661.98/x - Step 3: Cross multiply
2,868,775.47x = 3,958,997.25 × 1,579,661.98 - Step 4: Simplify right side
2,868,775.47x = 6,253,877,434,749.56 - Step 5: Solve for x
x = 6,253,877,434,749.56/2,868,775.47 - Step 6: Final answer
x = 2,179,981.49
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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.