Finding the Fourth Proportional to 3,368,899.18, 4,649,555.01 and 2,144,813.68
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Solution
The fourth proportional to 3,368,899.18, 4,649,555.01 and 2,144,813.68 is: 2,960,144.74
Step by Step Solution
- Step 1: Write the proportion equation
3,368,899.18 : 4,649,555.01 = 2,144,813.68 : x - Step 2: Convert to fraction form
3,368,899.18/4,649,555.01 = 2,144,813.68/x - Step 3: Cross multiply
3,368,899.18x = 4,649,555.01 × 2,144,813.68 - Step 4: Simplify right side
3,368,899.18x = 9,972,429,191,360.54 - Step 5: Solve for x
x = 9,972,429,191,360.54/3,368,899.18 - Step 6: Final answer
x = 2,960,144.74
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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.