Finding the Fourth Proportional to 2,989,937.40, 4,484,906.10 and 2,493,925.80
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Solution
The fourth proportional to 2,989,937.40, 4,484,906.10 and 2,493,925.80 is: 3,740,888.70
Step by Step Solution
- Step 1: Write the proportion equation
2,989,937.40 : 4,484,906.10 = 2,493,925.80 : x - Step 2: Convert to fraction form
2,989,937.40/4,484,906.10 = 2,493,925.80/x - Step 3: Cross multiply
2,989,937.40x = 4,484,906.10 × 2,493,925.80 - Step 4: Simplify right side
2,989,937.40x = 11,185,023,033,367.38 - Step 5: Solve for x
x = 11,185,023,033,367.38/2,989,937.40 - Step 6: Final answer
x = 3,740,888.70
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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.