Finding the Fourth Proportional to 1,749,032.75, 2,617,623.49 and 1,075,540.63
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Solution
The fourth proportional to 1,749,032.75, 2,617,623.49 and 1,075,540.63 is: 1,609,667.07
Step by Step Solution
- Step 1: Write the proportion equation
1,749,032.75 : 2,617,623.49 = 1,075,540.63 : x - Step 2: Convert to fraction form
1,749,032.75/2,617,623.49 = 1,075,540.63/x - Step 3: Cross multiply
1,749,032.75x = 2,617,623.49 × 1,075,540.63 - Step 4: Simplify right side
1,749,032.75x = 2,815,360,415,229.17 - Step 5: Solve for x
x = 2,815,360,415,229.17/1,749,032.75 - Step 6: Final answer
x = 1,609,667.07
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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.