Finding the Fourth Proportional to 4,115,905.60, 6,173,858.40 and 1,276,304.80
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Solution
The fourth proportional to 4,115,905.60, 6,173,858.40 and 1,276,304.80 is: 1,914,457.20
Step by Step Solution
- Step 1: Write the proportion equation
4,115,905.60 : 6,173,858.40 = 1,276,304.80 : x - Step 2: Convert to fraction form
4,115,905.60/6,173,858.40 = 1,276,304.80/x - Step 3: Cross multiply
4,115,905.60x = 6,173,858.40 × 1,276,304.80 - Step 4: Simplify right side
4,115,905.60x = 7,879,725,110,440.32 - Step 5: Solve for x
x = 7,879,725,110,440.32/4,115,905.60 - Step 6: Final answer
x = 1,914,457.20
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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.