Finding the Fourth Proportional to 4,470,719.40, 6,705,560.70 and 1,276,338.60
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Solution
The fourth proportional to 4,470,719.40, 6,705,560.70 and 1,276,338.60 is: 1,914,359.90
Step by Step Solution
- Step 1: Write the proportion equation
4,470,719.40 : 6,705,560.70 = 1,276,338.60 : x - Step 2: Convert to fraction form
4,470,719.40/6,705,560.70 = 1,276,338.60/x - Step 3: Cross multiply
4,470,719.40x = 6,705,560.70 × 1,276,338.60 - Step 4: Simplify right side
4,470,719.40x = 8,558,565,956,053.02 - Step 5: Solve for x
x = 8,558,565,956,053.02/4,470,719.40 - Step 6: Final answer
x = 1,914,359.90
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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.