Finding the Fourth Proportional to 2,637,867.75, 3,640,257.90 and 1,491,923.49
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Solution
The fourth proportional to 2,637,867.75, 3,640,257.90 and 1,491,923.49 is: 2,058,854.65
Step by Step Solution
- Step 1: Write the proportion equation
2,637,867.75 : 3,640,257.90 = 1,491,923.49 : x - Step 2: Convert to fraction form
2,637,867.75/3,640,257.90 = 1,491,923.49/x - Step 3: Cross multiply
2,637,867.75x = 3,640,257.90 × 1,491,923.49 - Step 4: Simplify right side
2,637,867.75x = 5,430,986,270,668.07 - Step 5: Solve for x
x = 5,430,986,270,668.07/2,637,867.75 - Step 6: Final answer
x = 2,058,854.65
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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.