Finding the Fourth Proportional to 7,261,619.60, 10,881,931.80 and 3,214,794.80
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Solution
The fourth proportional to 7,261,619.60, 10,881,931.80 and 3,214,794.80 is: 4,817,544.80
Step by Step Solution
- Step 1: Write the proportion equation
7,261,619.60 : 10,881,931.80 = 3,214,794.80 : x - Step 2: Convert to fraction form
7,261,619.60/10,881,931.80 = 3,214,794.80/x - Step 3: Cross multiply
7,261,619.60x = 10,881,931.80 × 3,214,794.80 - Step 4: Simplify right side
7,261,619.60x = 34,983,177,764,594.64 - Step 5: Solve for x
x = 34,983,177,764,594.64/7,261,619.60 - Step 6: Final answer
x = 4,817,544.80
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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.