Finding the Fourth Proportional to 6,437,625.48, 8,891,782.56 and 4,813,236.70
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Solution
The fourth proportional to 6,437,625.48, 8,891,782.56 and 4,813,236.70 is: 6,648,142.90
Step by Step Solution
- Step 1: Write the proportion equation
6,437,625.48 : 8,891,782.56 = 4,813,236.70 : x - Step 2: Convert to fraction form
6,437,625.48/8,891,782.56 = 4,813,236.70/x - Step 3: Cross multiply
6,437,625.48x = 8,891,782.56 × 4,813,236.70 - Step 4: Simplify right side
6,437,625.48x = 42,798,254,146,211.95 - Step 5: Solve for x
x = 42,798,254,146,211.95/6,437,625.48 - Step 6: Final answer
x = 6,648,142.90
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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.