Finding the Fourth Proportional to 1,603,756.18, 2,405,633.46 and 644,211.19
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Solution
The fourth proportional to 1,603,756.18, 2,405,633.46 and 644,211.19 is: 966,316.46
Step by Step Solution
- Step 1: Write the proportion equation
1,603,756.18 : 2,405,633.46 = 644,211.19 : x - Step 2: Convert to fraction form
1,603,756.18/2,405,633.46 = 644,211.19/x - Step 3: Cross multiply
1,603,756.18x = 2,405,633.46 × 644,211.19 - Step 4: Simplify right side
1,603,756.18x = 1,549,735,993,970.42 - Step 5: Solve for x
x = 1,549,735,993,970.42/1,603,756.18 - Step 6: Final answer
x = 966,316.46
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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.