Finding the Fourth Proportional to 2,772,325.40, 4,158,099.30 and 879,258.20
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Solution
The fourth proportional to 2,772,325.40, 4,158,099.30 and 879,258.20 is: 1,318,763.99
Step by Step Solution
- Step 1: Write the proportion equation
2,772,325.40 : 4,158,099.30 = 879,258.20 : x - Step 2: Convert to fraction form
2,772,325.40/4,158,099.30 = 879,258.20/x - Step 3: Cross multiply
2,772,325.40x = 4,158,099.30 × 879,258.20 - Step 4: Simplify right side
2,772,325.40x = 3,656,042,905,939.26 - Step 5: Solve for x
x = 3,656,042,905,939.26/2,772,325.40 - Step 6: Final answer
x = 1,318,763.99
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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.