Finding the Fourth Proportional to 1,446,873.13, 1,996,277.70 and 1,139,998.15
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Solution
The fourth proportional to 1,446,873.13, 1,996,277.70 and 1,139,998.15 is: 1,572,876.60
Step by Step Solution
- Step 1: Write the proportion equation
1,446,873.13 : 1,996,277.70 = 1,139,998.15 : x - Step 2: Convert to fraction form
1,446,873.13/1,996,277.70 = 1,139,998.15/x - Step 3: Cross multiply
1,446,873.13x = 1,996,277.70 × 1,139,998.15 - Step 4: Simplify right side
1,446,873.13x = 2,275,752,884,886.26 - Step 5: Solve for x
x = 2,275,752,884,886.26/1,446,873.13 - Step 6: Final answer
x = 1,572,876.60
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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.