Finding the Fourth Proportional to 2,179,467.99, 3,268,069.10 and 642,261.74
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Solution
The fourth proportional to 2,179,467.99, 3,268,069.10 and 642,261.74 is: 963,058.75
Step by Step Solution
- Step 1: Write the proportion equation
2,179,467.99 : 3,268,069.10 = 642,261.74 : x - Step 2: Convert to fraction form
2,179,467.99/3,268,069.10 = 642,261.74/x - Step 3: Cross multiply
2,179,467.99x = 3,268,069.10 × 642,261.74 - Step 4: Simplify right side
2,179,467.99x = 2,098,955,727,054.58 - Step 5: Solve for x
x = 2,098,955,727,054.58/2,179,467.99 - Step 6: Final answer
x = 963,058.75
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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.