Finding the Fourth Proportional to 2,368,733.88, 3,268,878.56 and 1,281,026.68
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Solution
The fourth proportional to 2,368,733.88, 3,268,878.56 and 1,281,026.68 is: 1,767,830.77
Step by Step Solution
- Step 1: Write the proportion equation
2,368,733.88 : 3,268,878.56 = 1,281,026.68 : x - Step 2: Convert to fraction form
2,368,733.88/3,268,878.56 = 1,281,026.68/x - Step 3: Cross multiply
2,368,733.88x = 3,268,878.56 × 1,281,026.68 - Step 4: Simplify right side
2,368,733.88x = 4,187,520,649,039.98 - Step 5: Solve for x
x = 4,187,520,649,039.98/2,368,733.88 - Step 6: Final answer
x = 1,767,830.77
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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.