Finding the Fourth Proportional to 3,236,602.63, 4,855,543.50 and 1,187,282.21
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Solution
The fourth proportional to 3,236,602.63, 4,855,543.50 and 1,187,282.21 is: 1,781,157.92
Step by Step Solution
- Step 1: Write the proportion equation
3,236,602.63 : 4,855,543.50 = 1,187,282.21 : x - Step 2: Convert to fraction form
3,236,602.63/4,855,543.50 = 1,187,282.21/x - Step 3: Cross multiply
3,236,602.63x = 4,855,543.50 × 1,187,282.21 - Step 4: Simplify right side
3,236,602.63x = 5,764,900,417,431.14 - Step 5: Solve for x
x = 5,764,900,417,431.14/3,236,602.63 - Step 6: Final answer
x = 1,781,157.92
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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.