Finding the Fourth Proportional to 1,798,112.76, 2,692,860.41 and 1,310,487.96
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Solution
The fourth proportional to 1,798,112.76, 2,692,860.41 and 1,310,487.96 is: 1,962,591.68
Step by Step Solution
- Step 1: Write the proportion equation
1,798,112.76 : 2,692,860.41 = 1,310,487.96 : x - Step 2: Convert to fraction form
1,798,112.76/2,692,860.41 = 1,310,487.96/x - Step 3: Cross multiply
1,798,112.76x = 2,692,860.41 × 1,310,487.96 - Step 4: Simplify right side
1,798,112.76x = 3,528,961,145,265.66 - Step 5: Solve for x
x = 3,528,961,145,265.66/1,798,112.76 - Step 6: Final answer
x = 1,962,591.68
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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.