Finding the Fourth Proportional to 2,126,435.24, 2,934,551.49 and 1,159,618.43
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Solution
The fourth proportional to 2,126,435.24, 2,934,551.49 and 1,159,618.43 is: 1,600,312.08
Step by Step Solution
- Step 1: Write the proportion equation
2,126,435.24 : 2,934,551.49 = 1,159,618.43 : x - Step 2: Convert to fraction form
2,126,435.24/2,934,551.49 = 1,159,618.43/x - Step 3: Cross multiply
2,126,435.24x = 2,934,551.49 × 1,159,618.43 - Step 4: Simplify right side
2,126,435.24x = 3,402,959,991,587.96 - Step 5: Solve for x
x = 3,402,959,991,587.96/2,126,435.24 - Step 6: Final answer
x = 1,600,312.08
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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.