Finding the Fourth Proportional to 2,636,548.24, 3,638,465.20 and 1,548,865.68
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Solution
The fourth proportional to 2,636,548.24, 3,638,465.20 and 1,548,865.68 is: 2,137,451.46
Step by Step Solution
- Step 1: Write the proportion equation
2,636,548.24 : 3,638,465.20 = 1,548,865.68 : x - Step 2: Convert to fraction form
2,636,548.24/3,638,465.20 = 1,548,865.68/x - Step 3: Cross multiply
2,636,548.24x = 3,638,465.20 × 1,548,865.68 - Step 4: Simplify right side
2,636,548.24x = 5,635,493,876,154.34 - Step 5: Solve for x
x = 5,635,493,876,154.34/2,636,548.24 - Step 6: Final answer
x = 2,137,451.46
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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.