Finding the Fourth Proportional to 2,586,246.77, 3,569,131.25 and 1,440,327.12
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Solution
The fourth proportional to 2,586,246.77, 3,569,131.25 and 1,440,327.12 is: 1,987,713.07
Step by Step Solution
- Step 1: Write the proportion equation
2,586,246.77 : 3,569,131.25 = 1,440,327.12 : x - Step 2: Convert to fraction form
2,586,246.77/3,569,131.25 = 1,440,327.12/x - Step 3: Cross multiply
2,586,246.77x = 3,569,131.25 × 1,440,327.12 - Step 4: Simplify right side
2,586,246.77x = 5,140,716,519,029.85 - Step 5: Solve for x
x = 5,140,716,519,029.85/2,586,246.77 - Step 6: Final answer
x = 1,987,713.07
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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.