Finding the Fourth Proportional to 1,969,602.76, 2,953,295.99 and 621,514.09
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Solution
The fourth proportional to 1,969,602.76, 2,953,295.99 and 621,514.09 is: 931,921.45
Step by Step Solution
- Step 1: Write the proportion equation
1,969,602.76 : 2,953,295.99 = 621,514.09 : x - Step 2: Convert to fraction form
1,969,602.76/2,953,295.99 = 621,514.09/x - Step 3: Cross multiply
1,969,602.76x = 2,953,295.99 × 621,514.09 - Step 4: Simplify right side
1,969,602.76x = 1,835,515,051,851.45 - Step 5: Solve for x
x = 1,835,515,051,851.45/1,969,602.76 - Step 6: Final answer
x = 931,921.45
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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.