Finding the Fourth Proportional to 1,930,353.99, 2,664,124.76 and 1,114,556.31
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Solution
The fourth proportional to 1,930,353.99, 2,664,124.76 and 1,114,556.31 is: 1,538,224.11
Step by Step Solution
- Step 1: Write the proportion equation
1,930,353.99 : 2,664,124.76 = 1,114,556.31 : x - Step 2: Convert to fraction form
1,930,353.99/2,664,124.76 = 1,114,556.31/x - Step 3: Cross multiply
1,930,353.99x = 2,664,124.76 × 1,114,556.31 - Step 4: Simplify right side
1,930,353.99x = 2,969,317,056,312.45 - Step 5: Solve for x
x = 2,969,317,056,312.45/1,930,353.99 - Step 6: Final answer
x = 1,538,224.11
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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.