Finding the Fourth Proportional to 2,889,416.80, 4,325,830.80 and 2,806,472.80
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Solution
The fourth proportional to 2,889,416.80, 4,325,830.80 and 2,806,472.80 is: 4,201,652.90
Step by Step Solution
- Step 1: Write the proportion equation
2,889,416.80 : 4,325,830.80 = 2,806,472.80 : x - Step 2: Convert to fraction form
2,889,416.80/4,325,830.80 = 2,806,472.80/x - Step 3: Cross multiply
2,889,416.80x = 4,325,830.80 × 2,806,472.80 - Step 4: Simplify right side
2,889,416.80x = 12,140,326,477,602.24 - Step 5: Solve for x
x = 12,140,326,477,602.24/2,889,416.80 - Step 6: Final answer
x = 4,201,652.90
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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.