Finding the Fourth Proportional to 6,436,232.20, 9,655,644.30 and 1,887,272.20
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Solution
The fourth proportional to 6,436,232.20, 9,655,644.30 and 1,887,272.20 is: 2,831,288.32
Step by Step Solution
- Step 1: Write the proportion equation
6,436,232.20 : 9,655,644.30 = 1,887,272.20 : x - Step 2: Convert to fraction form
6,436,232.20/9,655,644.30 = 1,887,272.20/x - Step 3: Cross multiply
6,436,232.20x = 9,655,644.30 × 1,887,272.20 - Step 4: Simplify right side
6,436,232.20x = 18,222,829,060,478.46 - Step 5: Solve for x
x = 18,222,829,060,478.46/6,436,232.20 - Step 6: Final answer
x = 2,831,288.32
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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.