Finding the Fourth Proportional to 4,510,207.12, 6,766,305.84 and 1,315,583.28
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Solution
The fourth proportional to 4,510,207.12, 6,766,305.84 and 1,315,583.28 is: 1,973,665.20
Step by Step Solution
- Step 1: Write the proportion equation
4,510,207.12 : 6,766,305.84 = 1,315,583.28 : x - Step 2: Convert to fraction form
4,510,207.12/6,766,305.84 = 1,315,583.28/x - Step 3: Cross multiply
4,510,207.12x = 6,766,305.84 × 1,315,583.28 - Step 4: Simplify right side
4,510,207.12x = 8,901,638,830,470.36 - Step 5: Solve for x
x = 8,901,638,830,470.36/4,510,207.12 - Step 6: Final answer
x = 1,973,665.20
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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.