Finding the Fourth Proportional to 2,341,402.24, 3,231,374.40 and 1,688,567.68
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Solution
The fourth proportional to 2,341,402.24, 3,231,374.40 and 1,688,567.68 is: 2,330,395.98
Step by Step Solution
- Step 1: Write the proportion equation
2,341,402.24 : 3,231,374.40 = 1,688,567.68 : x - Step 2: Convert to fraction form
2,341,402.24/3,231,374.40 = 1,688,567.68/x - Step 3: Cross multiply
2,341,402.24x = 3,231,374.40 × 1,688,567.68 - Step 4: Simplify right side
2,341,402.24x = 5,456,394,373,819.39 - Step 5: Solve for x
x = 5,456,394,373,819.39/2,341,402.24 - Step 6: Final answer
x = 2,330,395.98
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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.