Finding the Fourth Proportional to 1,576,207.36, 2,175,042.81 and 887,849.11
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Solution
The fourth proportional to 1,576,207.36, 2,175,042.81 and 887,849.11 is: 1,225,162.29
Step by Step Solution
- Step 1: Write the proportion equation
1,576,207.36 : 2,175,042.81 = 887,849.11 : x - Step 2: Convert to fraction form
1,576,207.36/2,175,042.81 = 887,849.11/x - Step 3: Cross multiply
1,576,207.36x = 2,175,042.81 × 887,849.11 - Step 4: Simplify right side
1,576,207.36x = 1,931,109,823,070.40 - Step 5: Solve for x
x = 1,931,109,823,070.40/1,576,207.36 - Step 6: Final answer
x = 1,225,162.29
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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.