Finding the Fourth Proportional to 6,152,851.98, 8,490,885.84 and 3,399,530.76
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Solution
The fourth proportional to 6,152,851.98, 8,490,885.84 and 3,399,530.76 is: 4,691,324.88
Step by Step Solution
- Step 1: Write the proportion equation
6,152,851.98 : 8,490,885.84 = 3,399,530.76 : x - Step 2: Convert to fraction form
6,152,851.98/8,490,885.84 = 3,399,530.76/x - Step 3: Cross multiply
6,152,851.98x = 8,490,885.84 × 3,399,530.76 - Step 4: Simplify right side
6,152,851.98x = 28,865,027,592,728.44 - Step 5: Solve for x
x = 28,865,027,592,728.44/6,152,851.98 - Step 6: Final answer
x = 4,691,324.88
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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.