Finding the Fourth Proportional to 7,134,485.60, 10,703,024.40 and 2,340,840.80
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Solution
The fourth proportional to 7,134,485.60, 10,703,024.40 and 2,340,840.80 is: 3,511,686.42
Step by Step Solution
- Step 1: Write the proportion equation
7,134,485.60 : 10,703,024.40 = 2,340,840.80 : x - Step 2: Convert to fraction form
7,134,485.60/10,703,024.40 = 2,340,840.80/x - Step 3: Cross multiply
7,134,485.60x = 10,703,024.40 × 2,340,840.80 - Step 4: Simplify right side
7,134,485.60x = 25,054,076,198,915.52 - Step 5: Solve for x
x = 25,054,076,198,915.52/7,134,485.60 - Step 6: Final answer
x = 3,511,686.42
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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.