Finding the Fourth Proportional to 3,749,278.21, 5,624,113.84 and 1,190,697.19
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Solution
The fourth proportional to 3,749,278.21, 5,624,113.84 and 1,190,697.19 is: 1,786,108.19
Step by Step Solution
- Step 1: Write the proportion equation
3,749,278.21 : 5,624,113.84 = 1,190,697.19 : x - Step 2: Convert to fraction form
3,749,278.21/5,624,113.84 = 1,190,697.19/x - Step 3: Cross multiply
3,749,278.21x = 5,624,113.84 × 1,190,697.19 - Step 4: Simplify right side
3,749,278.21x = 6,696,616,528,491.08 - Step 5: Solve for x
x = 6,696,616,528,491.08/3,749,278.21 - Step 6: Final answer
x = 1,786,108.19
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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.