Finding the Fourth Proportional to 2,126,445.24, 2,934,565.29 and 1,159,628.43
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Solution
The fourth proportional to 2,126,445.24, 2,934,565.29 and 1,159,628.43 is: 1,600,325.88
Step by Step Solution
- Step 1: Write the proportion equation
2,126,445.24 : 2,934,565.29 = 1,159,628.43 : x - Step 2: Convert to fraction form
2,126,445.24/2,934,565.29 = 1,159,628.43/x - Step 3: Cross multiply
2,126,445.24x = 2,934,565.29 × 1,159,628.43 - Step 4: Simplify right side
2,126,445.24x = 3,403,005,339,975.19 - Step 5: Solve for x
x = 3,403,005,339,975.19/2,126,445.24 - Step 6: Final answer
x = 1,600,325.88
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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.