Finding the Fourth Proportional to 2,586,803.67, 3,569,899.21 and 1,440,883.71
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Solution
The fourth proportional to 2,586,803.67, 3,569,899.21 and 1,440,883.71 is: 1,988,480.87
Step by Step Solution
- Step 1: Write the proportion equation
2,586,803.67 : 3,569,899.21 = 1,440,883.71 : x - Step 2: Convert to fraction form
2,586,803.67/3,569,899.21 = 1,440,883.71/x - Step 3: Cross multiply
2,586,803.67x = 3,569,899.21 × 1,440,883.71 - Step 4: Simplify right side
2,586,803.67x = 5,143,809,618,030.87 - Step 5: Solve for x
x = 5,143,809,618,030.87/2,586,803.67 - Step 6: Final answer
x = 1,988,480.87
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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.