Finding the Fourth Proportional to 1,447,515.41, 2,170,642.29 and 487,792.14
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Solution
The fourth proportional to 1,447,515.41, 2,170,642.29 and 487,792.14 is: 731,475.63
Step by Step Solution
- Step 1: Write the proportion equation
1,447,515.41 : 2,170,642.29 = 487,792.14 : x - Step 2: Convert to fraction form
1,447,515.41/2,170,642.29 = 487,792.14/x - Step 3: Cross multiply
1,447,515.41x = 2,170,642.29 × 487,792.14 - Step 4: Simplify right side
1,447,515.41x = 1,058,822,247,813.60 - Step 5: Solve for x
x = 1,058,822,247,813.60/1,447,515.41 - Step 6: Final answer
x = 731,475.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.