Finding the Fourth Proportional to 1,828,101.99, 2,522,749.76 and 1,012,288.23
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Solution
The fourth proportional to 1,828,101.99, 2,522,749.76 and 1,012,288.23 is: 1,396,940.60
Step by Step Solution
- Step 1: Write the proportion equation
1,828,101.99 : 2,522,749.76 = 1,012,288.23 : x - Step 2: Convert to fraction form
1,828,101.99/2,522,749.76 = 1,012,288.23/x - Step 3: Cross multiply
1,828,101.99x = 2,522,749.76 × 1,012,288.23 - Step 4: Simplify right side
1,828,101.99x = 2,553,749,884,221.88 - Step 5: Solve for x
x = 2,553,749,884,221.88/1,828,101.99 - Step 6: Final answer
x = 1,396,940.60
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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.