Finding the Fourth Proportional to 4,009,919.15, 6,012,476.68 and 1,276,285.77
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Solution
The fourth proportional to 4,009,919.15, 6,012,476.68 and 1,276,285.77 is: 1,913,664.12
Step by Step Solution
- Step 1: Write the proportion equation
4,009,919.15 : 6,012,476.68 = 1,276,285.77 : x - Step 2: Convert to fraction form
4,009,919.15/6,012,476.68 = 1,276,285.77/x - Step 3: Cross multiply
4,009,919.15x = 6,012,476.68 × 1,276,285.77 - Step 4: Simplify right side
4,009,919.15x = 7,673,638,399,078.46 - Step 5: Solve for x
x = 7,673,638,399,078.46/4,009,919.15 - Step 6: Final answer
x = 1,913,664.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.