Finding the Fourth Proportional to 1,571,969.20, 2,358,537.65 and 1,091,944.07
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Solution
The fourth proportional to 1,571,969.20, 2,358,537.65 and 1,091,944.07 is: 1,638,321.68
Step by Step Solution
- Step 1: Write the proportion equation
1,571,969.20 : 2,358,537.65 = 1,091,944.07 : x - Step 2: Convert to fraction form
1,571,969.20/2,358,537.65 = 1,091,944.07/x - Step 3: Cross multiply
1,571,969.20x = 2,358,537.65 × 1,091,944.07 - Step 4: Simplify right side
1,571,969.20x = 2,575,391,209,415.44 - Step 5: Solve for x
x = 2,575,391,209,415.44/1,571,969.20 - Step 6: Final answer
x = 1,638,321.68
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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.