Finding the Fourth Proportional to 2,378,515.83, 3,282,375.92 and 1,290,796.80
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Solution
The fourth proportional to 2,378,515.83, 3,282,375.92 and 1,290,796.80 is: 1,781,312.65
Step by Step Solution
- Step 1: Write the proportion equation
2,378,515.83 : 3,282,375.92 = 1,290,796.80 : x - Step 2: Convert to fraction form
2,378,515.83/3,282,375.92 = 1,290,796.80/x - Step 3: Cross multiply
2,378,515.83x = 3,282,375.92 × 1,290,796.80 - Step 4: Simplify right side
2,378,515.83x = 4,236,880,327,479.07 - Step 5: Solve for x
x = 4,236,880,327,479.07/2,378,515.83 - Step 6: Final answer
x = 1,781,312.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.