Finding the Fourth Proportional to 5,701,643.58, 7,868,269.62 and 3,123,416.02
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Solution
The fourth proportional to 5,701,643.58, 7,868,269.62 and 3,123,416.02 is: 4,310,314.92
Step by Step Solution
- Step 1: Write the proportion equation
5,701,643.58 : 7,868,269.62 = 3,123,416.02 : x - Step 2: Convert to fraction form
5,701,643.58/7,868,269.62 = 3,123,416.02/x - Step 3: Cross multiply
5,701,643.58x = 7,868,269.62 × 3,123,416.02 - Step 4: Simplify right side
5,701,643.58x = 24,575,879,380,787.31 - Step 5: Solve for x
x = 24,575,879,380,787.31/5,701,643.58 - Step 6: Final answer
x = 4,310,314.92
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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.