Finding the Fourth Proportional to 1,763,572.50, 2,430,917.63 and 1,327,334.19
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Solution
The fourth proportional to 1,763,572.50, 2,430,917.63 and 1,327,334.19 is: 1,829,604.45
Step by Step Solution
- Step 1: Write the proportion equation
1,763,572.50 : 2,430,917.63 = 1,327,334.19 : x - Step 2: Convert to fraction form
1,763,572.50/2,430,917.63 = 1,327,334.19/x - Step 3: Cross multiply
1,763,572.50x = 2,430,917.63 × 1,327,334.19 - Step 4: Simplify right side
1,763,572.50x = 3,226,640,086,271.57 - Step 5: Solve for x
x = 3,226,640,086,271.57/1,763,572.50 - Step 6: Final answer
x = 1,829,604.45
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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.