Finding the Fourth Proportional to 3,817,623.52, 5,268,421.04 and 2,098,787.32
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Solution
The fourth proportional to 3,817,623.52, 5,268,421.04 and 2,098,787.32 is: 2,896,381.80
Step by Step Solution
- Step 1: Write the proportion equation
3,817,623.52 : 5,268,421.04 = 2,098,787.32 : x - Step 2: Convert to fraction form
3,817,623.52/5,268,421.04 = 2,098,787.32/x - Step 3: Cross multiply
3,817,623.52x = 5,268,421.04 × 2,098,787.32 - Step 4: Simplify right side
3,817,623.52x = 11,057,295,275,173.21 - Step 5: Solve for x
x = 11,057,295,275,173.21/3,817,623.52 - Step 6: Final answer
x = 2,896,381.80
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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.