Finding the Fourth Proportional to 4,430,360.18, 6,646,661.11 and 1,235,486.70
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Solution
The fourth proportional to 4,430,360.18, 6,646,661.11 and 1,235,486.70 is: 1,853,542.61
Step by Step Solution
- Step 1: Write the proportion equation
4,430,360.18 : 6,646,661.11 = 1,235,486.70 : x - Step 2: Convert to fraction form
4,430,360.18/6,646,661.11 = 1,235,486.70/x - Step 3: Cross multiply
4,430,360.18x = 6,646,661.11 × 1,235,486.70 - Step 4: Simplify right side
4,430,360.18x = 8,211,861,378,450.34 - Step 5: Solve for x
x = 8,211,861,378,450.34/4,430,360.18 - Step 6: Final answer
x = 1,853,542.61
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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.