Finding the Fourth Proportional to 1,229,421.36, 1,844,132.01 and 330,865.08
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Solution
The fourth proportional to 1,229,421.36, 1,844,132.01 and 330,865.08 is: 496,297.61
Step by Step Solution
- Step 1: Write the proportion equation
1,229,421.36 : 1,844,132.01 = 330,865.08 : x - Step 2: Convert to fraction form
1,229,421.36/1,844,132.01 = 330,865.08/x - Step 3: Cross multiply
1,229,421.36x = 1,844,132.01 × 330,865.08 - Step 4: Simplify right side
1,229,421.36x = 610,158,885,019.21 - Step 5: Solve for x
x = 610,158,885,019.21/1,229,421.36 - Step 6: Final answer
x = 496,297.61
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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.