Finding the Fourth Proportional to 4,520,740.52, 6,781,166.81 and 1,325,932.64
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Solution
The fourth proportional to 4,520,740.52, 6,781,166.81 and 1,325,932.64 is: 1,988,915.39
Step by Step Solution
- Step 1: Write the proportion equation
4,520,740.52 : 6,781,166.81 = 1,325,932.64 : x - Step 2: Convert to fraction form
4,520,740.52/6,781,166.81 = 1,325,932.64/x - Step 3: Cross multiply
4,520,740.52x = 6,781,166.81 × 1,325,932.64 - Step 4: Simplify right side
4,520,740.52x = 8,991,370,370,128.18 - Step 5: Solve for x
x = 8,991,370,370,128.18/4,520,740.52 - Step 6: Final answer
x = 1,988,915.39
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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.