Finding the Fourth Proportional to 1,979,243.58, 2,968,985.34 and 559,405.92
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Solution
The fourth proportional to 1,979,243.58, 2,968,985.34 and 559,405.92 is: 839,142.79
Step by Step Solution
- Step 1: Write the proportion equation
1,979,243.58 : 2,968,985.34 = 559,405.92 : x - Step 2: Convert to fraction form
1,979,243.58/2,968,985.34 = 559,405.92/x - Step 3: Cross multiply
1,979,243.58x = 2,968,985.34 × 559,405.92 - Step 4: Simplify right side
1,979,243.58x = 1,660,867,975,589.21 - Step 5: Solve for x
x = 1,660,867,975,589.21/1,979,243.58 - Step 6: Final answer
x = 839,142.79
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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.