Finding the Fourth Proportional to 4,156,979.60, 6,230,803.80 and 1,760,416.40
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Solution
The fourth proportional to 4,156,979.60, 6,230,803.80 and 1,760,416.40 is: 2,638,648.79
Step by Step Solution
- Step 1: Write the proportion equation
4,156,979.60 : 6,230,803.80 = 1,760,416.40 : x - Step 2: Convert to fraction form
4,156,979.60/6,230,803.80 = 1,760,416.40/x - Step 3: Cross multiply
4,156,979.60x = 6,230,803.80 × 1,760,416.40 - Step 4: Simplify right side
4,156,979.60x = 10,968,809,194,702.32 - Step 5: Solve for x
x = 10,968,809,194,702.32/4,156,979.60 - Step 6: Final answer
x = 2,638,648.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.