Finding the Fourth Proportional to 3,407,727.06, 4,702,676.76 and 1,859,021.84
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Solution
The fourth proportional to 3,407,727.06, 4,702,676.76 and 1,859,021.84 is: 2,565,457.45
Step by Step Solution
- Step 1: Write the proportion equation
3,407,727.06 : 4,702,676.76 = 1,859,021.84 : x - Step 2: Convert to fraction form
3,407,727.06/4,702,676.76 = 1,859,021.84/x - Step 3: Cross multiply
3,407,727.06x = 4,702,676.76 × 1,859,021.84 - Step 4: Simplify right side
3,407,727.06x = 8,742,378,779,787.05 - Step 5: Solve for x
x = 8,742,378,779,787.05/3,407,727.06 - Step 6: Final answer
x = 2,565,457.45
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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.