Finding the Fourth Proportional to 5,372,470.40, 8,058,705.60 and 4,784,604.80
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Solution
The fourth proportional to 5,372,470.40, 8,058,705.60 and 4,784,604.80 is: 7,176,907.20
Step by Step Solution
- Step 1: Write the proportion equation
5,372,470.40 : 8,058,705.60 = 4,784,604.80 : x - Step 2: Convert to fraction form
5,372,470.40/8,058,705.60 = 4,784,604.80/x - Step 3: Cross multiply
5,372,470.40x = 8,058,705.60 × 4,784,604.80 - Step 4: Simplify right side
5,372,470.40x = 38,557,721,495,546.88 - Step 5: Solve for x
x = 38,557,721,495,546.88/5,372,470.40 - Step 6: Final answer
x = 7,176,907.20
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1.5x scale
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.