Finding the Fourth Proportional to 1,616,891.00, 2,230,746.14 and 1,036,434.21
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Solution
The fourth proportional to 1,616,891.00, 2,230,746.14 and 1,036,434.21 is: 1,429,918.04
Step by Step Solution
- Step 1: Write the proportion equation
1,616,891.00 : 2,230,746.14 = 1,036,434.21 : x - Step 2: Convert to fraction form
1,616,891.00/2,230,746.14 = 1,036,434.21/x - Step 3: Cross multiply
1,616,891.00x = 2,230,746.14 × 1,036,434.21 - Step 4: Simplify right side
1,616,891.00x = 2,312,021,608,139.28 - Step 5: Solve for x
x = 2,312,021,608,139.28/1,616,891.00 - Step 6: Final answer
x = 1,429,918.04
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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.