Finding the Fourth Proportional to 2,031,574.10, 2,801,756.35 and 1,343,948.50
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Solution
The fourth proportional to 2,031,574.10, 2,801,756.35 and 1,343,948.50 is: 1,853,447.64
Step by Step Solution
- Step 1: Write the proportion equation
2,031,574.10 : 2,801,756.35 = 1,343,948.50 : x - Step 2: Convert to fraction form
2,031,574.10/2,801,756.35 = 1,343,948.50/x - Step 3: Cross multiply
2,031,574.10x = 2,801,756.35 × 1,343,948.50 - Step 4: Simplify right side
2,031,574.10x = 3,765,416,229,939.19 - Step 5: Solve for x
x = 3,765,416,229,939.19/2,031,574.10 - Step 6: Final answer
x = 1,853,447.64
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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.