Finding the Fourth Proportional to 2,045,721.77, 2,823,118.17 and 1,127,952.68
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Solution
The fourth proportional to 2,045,721.77, 2,823,118.17 and 1,127,952.68 is: 1,556,586.90
Step by Step Solution
- Step 1: Write the proportion equation
2,045,721.77 : 2,823,118.17 = 1,127,952.68 : x - Step 2: Convert to fraction form
2,045,721.77/2,823,118.17 = 1,127,952.68/x - Step 3: Cross multiply
2,045,721.77x = 2,823,118.17 × 1,127,952.68 - Step 4: Simplify right side
2,045,721.77x = 3,184,343,705,808.20 - Step 5: Solve for x
x = 3,184,343,705,808.20/2,045,721.77 - Step 6: Final answer
x = 1,556,586.90
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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.