Finding the Fourth Proportional to 3,955,036.21, 5,925,773.93 and 2,655,753.18
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Solution
The fourth proportional to 3,955,036.21, 5,925,773.93 and 2,655,753.18 is: 3,979,076.83
Step by Step Solution
- Step 1: Write the proportion equation
3,955,036.21 : 5,925,773.93 = 2,655,753.18 : x - Step 2: Convert to fraction form
3,955,036.21/5,925,773.93 = 2,655,753.18/x - Step 3: Cross multiply
3,955,036.21x = 5,925,773.93 × 2,655,753.18 - Step 4: Simplify right side
3,955,036.21x = 15,737,392,961,880.04 - Step 5: Solve for x
x = 15,737,392,961,880.04/3,955,036.21 - Step 6: Final answer
x = 3,979,076.83
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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.