Finding the Fourth Proportional to 4,430,236.88, 6,113,728.20 and 2,393,047.76
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Solution
The fourth proportional to 4,430,236.88, 6,113,728.20 and 2,393,047.76 is: 3,302,406.61
Step by Step Solution
- Step 1: Write the proportion equation
4,430,236.88 : 6,113,728.20 = 2,393,047.76 : x - Step 2: Convert to fraction form
4,430,236.88/6,113,728.20 = 2,393,047.76/x - Step 3: Cross multiply
4,430,236.88x = 6,113,728.20 × 2,393,047.76 - Step 4: Simplify right side
4,430,236.88x = 14,630,443,574,258.83 - Step 5: Solve for x
x = 14,630,443,574,258.83/4,430,236.88 - Step 6: Final answer
x = 3,302,406.61
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.